257408424

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2311}}^1$

素因数の和:2360

約数の個数: 192

約数和(自身を含む): 908893440

約数和(自身を除く): 651485016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 17, 18, 21, 24, 26, 28, 34, 36, 39, 42, 51, 52, 56, 63, 68, 72, 78, 84, 91, 102, 104, 117, 119, 126, 136, 153, 156, 168, 182, 204, 221, 234, 238, 252, 273, 306, 312, 357, 364, 408, 442, 468, 476, 504, 546, 612, 663, 714, 728, 819, 884, 936, 952, 1071, 1092, 1224, 1326, 1428, 1547, 1638, 1768, 1989, 2142, 2184, 2311, 2652, 2856, 3094, 3276, 3978, 4284, 4622, 4641, 5304, 6188, 6552, 6933, 7956, 8568, 9244, 9282, 12376, 13866, 13923, 15912, 16177, 18488, 18564, 20799, 27732, 27846, 30043, 32354, 37128, 39287, 41598, 48531, 55464, 55692, 60086, 64708, 78574, 83196, 90129, 97062, 111384, 117861, 120172, 129416, 145593, 157148, 166392, 180258, 194124, 210301, 235722, 240344, 270387, 275009, 291186, 314296, 353583, 360516, 388248, 420602, 471444, 510731, 540774, 550018, 582372, 630903, 707166, 721032, 825027, 841204, 942888, 1021462, 1081548, 1100036, 1164744, 1261806, 1414332, 1532193, 1650054, 1682408, 1892709, 2042924, 2163096, 2200072, 2475081, 2523612, 2828664, 3064386, 3300108, 3575117, 3785418, 4085848, 4596579, 4950162, 5047224, 6128772, 6600216, 7150234, 7570836, 9193158, 9900324, 10725351, 12257544, 14300468, 15141672, 18386316, 19800648, 21450702, 28600936, 32176053, 36772632, 42901404, 64352106, 85802808, 128704212, 257408424]

約数ペア:

[(1, 257408424), (2, 128704212), (3, 85802808), (4, 64352106), (6, 42901404), (7, 36772632), (8, 32176053), (9, 28600936), (12, 21450702), (13, 19800648), (14, 18386316), (17, 15141672), (18, 14300468), (21, 12257544), (24, 10725351), (26, 9900324), (28, 9193158), (34, 7570836), (36, 7150234), (39, 6600216), (42, 6128772), (51, 5047224), (52, 4950162), (56, 4596579), (63, 4085848), (68, 3785418), (72, 3575117), (78, 3300108), (84, 3064386), (91, 2828664), (102, 2523612), (104, 2475081), (117, 2200072), (119, 2163096), (126, 2042924), (136, 1892709), (153, 1682408), (156, 1650054), (168, 1532193), (182, 1414332), (204, 1261806), (221, 1164744), (234, 1100036), (238, 1081548), (252, 1021462), (273, 942888), (306, 841204), (312, 825027), (357, 721032), (364, 707166), (408, 630903), (442, 582372), (468, 550018), (476, 540774), (504, 510731), (546, 471444), (612, 420602), (663, 388248), (714, 360516), (728, 353583), (819, 314296), (884, 291186), (936, 275009), (952, 270387), (1071, 240344), (1092, 235722), (1224, 210301), (1326, 194124), (1428, 180258), (1547, 166392), (1638, 157148), (1768, 145593), (1989, 129416), (2142, 120172), (2184, 117861), (2311, 111384), (2652, 97062), (2856, 90129), (3094, 83196), (3276, 78574), (3978, 64708), (4284, 60086), (4622, 55692), (4641, 55464), (5304, 48531), (6188, 41598), (6552, 39287), (6933, 37128), (7956, 32354), (8568, 30043), (9244, 27846), (9282, 27732), (12376, 20799), (13866, 18564), (13923, 18488), (15912, 16177)]