390996872

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2551}}^1$

素因数の和:2611

約数の個数: 96

約数和(自身を含む): 942606720

約数和(自身を除く): 551609848

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 49, 56, 68, 92, 98, 119, 136, 161, 184, 196, 238, 322, 391, 392, 476, 644, 782, 833, 952, 1127, 1288, 1564, 1666, 2254, 2551, 2737, 3128, 3332, 4508, 5102, 5474, 6664, 9016, 10204, 10948, 17857, 19159, 20408, 21896, 35714, 38318, 43367, 58673, 71428, 76636, 86734, 117346, 124999, 142856, 153272, 173468, 234692, 249998, 303569, 346936, 410711, 469384, 499996, 607138, 821422, 997441, 999992, 1214276, 1642844, 1994882, 2124983, 2428552, 2874977, 3285688, 3989764, 4249966, 5749954, 6982087, 7979528, 8499932, 11499908, 13964174, 16999864, 22999816, 27928348, 48874609, 55856696, 97749218, 195498436, 390996872]

約数ペア:

[(1, 390996872), (2, 195498436), (4, 97749218), (7, 55856696), (8, 48874609), (14, 27928348), (17, 22999816), (23, 16999864), (28, 13964174), (34, 11499908), (46, 8499932), (49, 7979528), (56, 6982087), (68, 5749954), (92, 4249966), (98, 3989764), (119, 3285688), (136, 2874977), (161, 2428552), (184, 2124983), (196, 1994882), (238, 1642844), (322, 1214276), (391, 999992), (392, 997441), (476, 821422), (644, 607138), (782, 499996), (833, 469384), (952, 410711), (1127, 346936), (1288, 303569), (1564, 249998), (1666, 234692), (2254, 173468), (2551, 153272), (2737, 142856), (3128, 124999), (3332, 117346), (4508, 86734), (5102, 76636), (5474, 71428), (6664, 58673), (9016, 43367), (10204, 38318), (10948, 35714), (17857, 21896), (19159, 20408)]