2788525360

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1\times {\mathrm{709}}^1$

素因数の和:1166

約数の個数: 80

約数和(自身を含む): 6551232480

約数和(自身を除く): 3762707120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 233, 422, 466, 709, 844, 932, 1055, 1165, 1418, 1688, 1864, 2110, 2330, 2836, 3376, 3545, 3728, 4220, 4660, 5672, 7090, 8440, 9320, 11344, 14180, 16880, 18640, 28360, 49163, 56720, 98326, 149599, 165197, 196652, 245815, 299198, 330394, 393304, 491630, 598396, 660788, 747995, 786608, 825985, 983260, 1196792, 1321576, 1495990, 1651970, 1966520, 2393584, 2643152, 2991980, 3303940, 3933040, 5983960, 6607880, 11967920, 13215760, 34856567, 69713134, 139426268, 174282835, 278852536, 348565670, 557705072, 697131340, 1394262680, 2788525360]

約数ペア:

[(1, 2788525360), (2, 1394262680), (4, 697131340), (5, 557705072), (8, 348565670), (10, 278852536), (16, 174282835), (20, 139426268), (40, 69713134), (80, 34856567), (211, 13215760), (233, 11967920), (422, 6607880), (466, 5983960), (709, 3933040), (844, 3303940), (932, 2991980), (1055, 2643152), (1165, 2393584), (1418, 1966520), (1688, 1651970), (1864, 1495990), (2110, 1321576), (2330, 1196792), (2836, 983260), (3376, 825985), (3545, 786608), (3728, 747995), (4220, 660788), (4660, 598396), (5672, 491630), (7090, 393304), (8440, 330394), (9320, 299198), (11344, 245815), (14180, 196652), (16880, 165197), (18640, 149599), (28360, 98326), (49163, 56720)]