908563890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:476

約数の個数: 128

約数和(自身を含む): 2411345664

約数和(自身を除く): 1502781774

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 181, 183, 195, 211, 305, 362, 366, 390, 422, 543, 610, 633, 793, 905, 915, 1055, 1086, 1266, 1586, 1810, 1830, 2110, 2353, 2379, 2715, 2743, 3165, 3965, 4706, 4758, 5430, 5486, 6330, 7059, 7930, 8229, 11041, 11765, 11895, 12871, 13715, 14118, 16458, 22082, 23530, 23790, 25742, 27430, 33123, 35295, 38191, 38613, 41145, 55205, 64355, 66246, 70590, 76382, 77226, 82290, 110410, 114573, 128710, 143533, 165615, 167323, 190955, 193065, 229146, 287066, 331230, 334646, 381910, 386130, 430599, 496483, 501969, 572865, 717665, 836615, 861198, 992966, 1003938, 1145730, 1435330, 1489449, 1673230, 2152995, 2329651, 2482415, 2509845, 2978898, 4305990, 4659302, 4964830, 5019690, 6988953, 7447245, 11648255, 13977906, 14894490, 23296510, 30285463, 34944765, 60570926, 69889530, 90856389, 151427315, 181712778, 302854630, 454281945, 908563890]

約数ペア:

[(1, 908563890), (2, 454281945), (3, 302854630), (5, 181712778), (6, 151427315), (10, 90856389), (13, 69889530), (15, 60570926), (26, 34944765), (30, 30285463), (39, 23296510), (61, 14894490), (65, 13977906), (78, 11648255), (122, 7447245), (130, 6988953), (181, 5019690), (183, 4964830), (195, 4659302), (211, 4305990), (305, 2978898), (362, 2509845), (366, 2482415), (390, 2329651), (422, 2152995), (543, 1673230), (610, 1489449), (633, 1435330), (793, 1145730), (905, 1003938), (915, 992966), (1055, 861198), (1086, 836615), (1266, 717665), (1586, 572865), (1810, 501969), (1830, 496483), (2110, 430599), (2353, 386130), (2379, 381910), (2715, 334646), (2743, 331230), (3165, 287066), (3965, 229146), (4706, 193065), (4758, 190955), (5430, 167323), (5486, 165615), (6330, 143533), (7059, 128710), (7930, 114573), (8229, 110410), (11041, 82290), (11765, 77226), (11895, 76382), (12871, 70590), (13715, 66246), (14118, 64355), (16458, 55205), (22082, 41145), (23530, 38613), (23790, 38191), (25742, 35295), (27430, 33123)]