689901940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{2243}}^1$

素因数の和:2298

約数の個数: 96

約数和(自身を含む): 1794481920

約数和(自身を除く): 1104579980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2197, 2243, 2366, 3380, 4394, 4486, 4732, 5915, 8788, 8972, 10985, 11215, 11830, 15379, 15701, 21970, 22430, 23660, 29159, 30758, 31402, 43940, 44860, 58318, 61516, 62804, 76895, 78505, 116636, 145795, 153790, 157010, 204113, 291590, 307580, 314020, 379067, 408226, 583180, 758134, 816452, 1020565, 1516268, 1895335, 2041130, 2653469, 3790670, 4082260, 4927871, 5306938, 7581340, 9855742, 10613876, 13267345, 19711484, 24639355, 26534690, 34495097, 49278710, 53069380, 68990194, 98557420, 137980388, 172475485, 344950970, 689901940]

約数ペア:

[(1, 689901940), (2, 344950970), (4, 172475485), (5, 137980388), (7, 98557420), (10, 68990194), (13, 53069380), (14, 49278710), (20, 34495097), (26, 26534690), (28, 24639355), (35, 19711484), (52, 13267345), (65, 10613876), (70, 9855742), (91, 7581340), (130, 5306938), (140, 4927871), (169, 4082260), (182, 3790670), (260, 2653469), (338, 2041130), (364, 1895335), (455, 1516268), (676, 1020565), (845, 816452), (910, 758134), (1183, 583180), (1690, 408226), (1820, 379067), (2197, 314020), (2243, 307580), (2366, 291590), (3380, 204113), (4394, 157010), (4486, 153790), (4732, 145795), (5915, 116636), (8788, 78505), (8972, 76895), (10985, 62804), (11215, 61516), (11830, 58318), (15379, 44860), (15701, 43940), (21970, 31402), (22430, 30758), (23660, 29159)]