398041488

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{31}}^1$

素因数の和:115

約数の個数: 240

約数和(自身を含む): 1307138560

約数和(自身を除く): 909097072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 31, 36, 38, 39, 48, 52, 57, 62, 72, 76, 78, 93, 104, 114, 117, 124, 144, 152, 156, 171, 186, 208, 228, 234, 247, 248, 279, 304, 312, 342, 361, 372, 403, 456, 468, 494, 496, 558, 589, 624, 684, 722, 741, 744, 806, 912, 936, 988, 1083, 1116, 1178, 1209, 1368, 1444, 1482, 1488, 1612, 1767, 1872, 1976, 2166, 2223, 2232, 2356, 2418, 2736, 2888, 2964, 3224, 3249, 3534, 3627, 3952, 4332, 4446, 4464, 4693, 4712, 4836, 5301, 5776, 5928, 6448, 6498, 6859, 7068, 7254, 7657, 8664, 8892, 9386, 9424, 9672, 10602, 11191, 11856, 12996, 13718, 14079, 14136, 14508, 15314, 17328, 17784, 18772, 19344, 20577, 21204, 22382, 22971, 25992, 27436, 28158, 28272, 29016, 30628, 33573, 35568, 37544, 41154, 42237, 42408, 44764, 45942, 51984, 54872, 56316, 58032, 61256, 61731, 67146, 68913, 75088, 82308, 84474, 84816, 89167, 89528, 91884, 100719, 109744, 112632, 122512, 123462, 134292, 137826, 145483, 164616, 168948, 178334, 179056, 183768, 201438, 212629, 225264, 246924, 267501, 268584, 275652, 290966, 329232, 337896, 356668, 367536, 402876, 425258, 436449, 493848, 535002, 537168, 551304, 581932, 637887, 675792, 713336, 802503, 805752, 850516, 872898, 987696, 1070004, 1102608, 1163864, 1275774, 1309347, 1426672, 1605006, 1611504, 1701032, 1745796, 1913661, 2140008, 2327728, 2551548, 2618694, 2764177, 3210012, 3402064, 3491592, 3827322, 4280016, 5103096, 5237388, 5528354, 6420024, 6983184, 7654644, 8292531, 10206192, 10474776, 11056708, 12840048, 15309288, 16585062, 20949552, 22113416, 24877593, 30618576, 33170124, 44226832, 49755186, 66340248, 99510372, 132680496, 199020744, 398041488]

約数ペア:

[(1, 398041488), (2, 199020744), (3, 132680496), (4, 99510372), (6, 66340248), (8, 49755186), (9, 44226832), (12, 33170124), (13, 30618576), (16, 24877593), (18, 22113416), (19, 20949552), (24, 16585062), (26, 15309288), (31, 12840048), (36, 11056708), (38, 10474776), (39, 10206192), (48, 8292531), (52, 7654644), (57, 6983184), (62, 6420024), (72, 5528354), (76, 5237388), (78, 5103096), (93, 4280016), (104, 3827322), (114, 3491592), (117, 3402064), (124, 3210012), (144, 2764177), (152, 2618694), (156, 2551548), (171, 2327728), (186, 2140008), (208, 1913661), (228, 1745796), (234, 1701032), (247, 1611504), (248, 1605006), (279, 1426672), (304, 1309347), (312, 1275774), (342, 1163864), (361, 1102608), (372, 1070004), (403, 987696), (456, 872898), (468, 850516), (494, 805752), (496, 802503), (558, 713336), (589, 675792), (624, 637887), (684, 581932), (722, 551304), (741, 537168), (744, 535002), (806, 493848), (912, 436449), (936, 425258), (988, 402876), (1083, 367536), (1116, 356668), (1178, 337896), (1209, 329232), (1368, 290966), (1444, 275652), (1482, 268584), (1488, 267501), (1612, 246924), (1767, 225264), (1872, 212629), (1976, 201438), (2166, 183768), (2223, 179056), (2232, 178334), (2356, 168948), (2418, 164616), (2736, 145483), (2888, 137826), (2964, 134292), (3224, 123462), (3249, 122512), (3534, 112632), (3627, 109744), (3952, 100719), (4332, 91884), (4446, 89528), (4464, 89167), (4693, 84816), (4712, 84474), (4836, 82308), (5301, 75088), (5776, 68913), (5928, 67146), (6448, 61731), (6498, 61256), (6859, 58032), (7068, 56316), (7254, 54872), (7657, 51984), (8664, 45942), (8892, 44764), (9386, 42408), (9424, 42237), (9672, 41154), (10602, 37544), (11191, 35568), (11856, 33573), (12996, 30628), (13718, 29016), (14079, 28272), (14136, 28158), (14508, 27436), (15314, 25992), (17328, 22971), (17784, 22382), (18772, 21204), (19344, 20577)]