397380816

素因数分解:

$2^4\times 3^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 280

約数和(自身を含む): 1370499584

約数和(自身を除く): 973118768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 36, 42, 48, 54, 56, 62, 63, 72, 81, 84, 93, 108, 112, 124, 126, 144, 157, 162, 168, 186, 189, 216, 217, 243, 248, 252, 279, 314, 324, 336, 372, 378, 432, 434, 471, 486, 496, 504, 558, 567, 628, 648, 651, 729, 744, 756, 837, 868, 942, 972, 1008, 1099, 1116, 1134, 1256, 1296, 1302, 1413, 1458, 1488, 1512, 1674, 1701, 1736, 1884, 1944, 1953, 2198, 2232, 2268, 2511, 2512, 2604, 2826, 2916, 3024, 3297, 3348, 3402, 3472, 3768, 3888, 3906, 4239, 4396, 4464, 4536, 4867, 5022, 5103, 5208, 5652, 5832, 5859, 6594, 6696, 6804, 7533, 7536, 7812, 8478, 8792, 9072, 9734, 9891, 10044, 10206, 10416, 11304, 11664, 11718, 12717, 13188, 13392, 13608, 14601, 15066, 15624, 16956, 17577, 17584, 19468, 19782, 20088, 20412, 22599, 22608, 23436, 25434, 26376, 27216, 29202, 29673, 30132, 31248, 33912, 34069, 35154, 38151, 38936, 39564, 40176, 40824, 43803, 45198, 46872, 50868, 52731, 52752, 58404, 59346, 60264, 67824, 68138, 70308, 76302, 77872, 79128, 81648, 87606, 89019, 90396, 93744, 101736, 102207, 105462, 114453, 116808, 118692, 120528, 131409, 136276, 140616, 152604, 158193, 158256, 175212, 178038, 180792, 203472, 204414, 210924, 228906, 233616, 237384, 262818, 267057, 272552, 281232, 305208, 306621, 316386, 350424, 356076, 361584, 394227, 408828, 421848, 457812, 474768, 525636, 534114, 545104, 610416, 613242, 632772, 700848, 712152, 788454, 801171, 817656, 843696, 915624, 919863, 1051272, 1068228, 1182681, 1226484, 1265544, 1424304, 1576908, 1602342, 1635312, 1831248, 1839726, 2102544, 2136456, 2365362, 2452968, 2531088, 2759589, 3153816, 3204684, 3548043, 3679452, 4272912, 4730724, 4905936, 5519178, 6307632, 6409368, 7096086, 7358904, 8278767, 9461448, 11038356, 12818736, 14192172, 14717808, 16557534, 18922896, 22076712, 24836301, 28384344, 33115068, 44153424, 49672602, 56768688, 66230136, 99345204, 132460272, 198690408, 397380816]

約数ペア:

[(1, 397380816), (2, 198690408), (3, 132460272), (4, 99345204), (6, 66230136), (7, 56768688), (8, 49672602), (9, 44153424), (12, 33115068), (14, 28384344), (16, 24836301), (18, 22076712), (21, 18922896), (24, 16557534), (27, 14717808), (28, 14192172), (31, 12818736), (36, 11038356), (42, 9461448), (48, 8278767), (54, 7358904), (56, 7096086), (62, 6409368), (63, 6307632), (72, 5519178), (81, 4905936), (84, 4730724), (93, 4272912), (108, 3679452), (112, 3548043), (124, 3204684), (126, 3153816), (144, 2759589), (157, 2531088), (162, 2452968), (168, 2365362), (186, 2136456), (189, 2102544), (216, 1839726), (217, 1831248), (243, 1635312), (248, 1602342), (252, 1576908), (279, 1424304), (314, 1265544), (324, 1226484), (336, 1182681), (372, 1068228), (378, 1051272), (432, 919863), (434, 915624), (471, 843696), (486, 817656), (496, 801171), (504, 788454), (558, 712152), (567, 700848), (628, 632772), (648, 613242), (651, 610416), (729, 545104), (744, 534114), (756, 525636), (837, 474768), (868, 457812), (942, 421848), (972, 408828), (1008, 394227), (1099, 361584), (1116, 356076), (1134, 350424), (1256, 316386), (1296, 306621), (1302, 305208), (1413, 281232), (1458, 272552), (1488, 267057), (1512, 262818), (1674, 237384), (1701, 233616), (1736, 228906), (1884, 210924), (1944, 204414), (1953, 203472), (2198, 180792), (2232, 178038), (2268, 175212), (2511, 158256), (2512, 158193), (2604, 152604), (2826, 140616), (2916, 136276), (3024, 131409), (3297, 120528), (3348, 118692), (3402, 116808), (3472, 114453), (3768, 105462), (3888, 102207), (3906, 101736), (4239, 93744), (4396, 90396), (4464, 89019), (4536, 87606), (4867, 81648), (5022, 79128), (5103, 77872), (5208, 76302), (5652, 70308), (5832, 68138), (5859, 67824), (6594, 60264), (6696, 59346), (6804, 58404), (7533, 52752), (7536, 52731), (7812, 50868), (8478, 46872), (8792, 45198), (9072, 43803), (9734, 40824), (9891, 40176), (10044, 39564), (10206, 38936), (10416, 38151), (11304, 35154), (11664, 34069), (11718, 33912), (12717, 31248), (13188, 30132), (13392, 29673), (13608, 29202), (14601, 27216), (15066, 26376), (15624, 25434), (16956, 23436), (17577, 22608), (17584, 22599), (19468, 20412), (19782, 20088)]