197480920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 551577600

約数和(自身を除く): 354096680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 227, 239, 260, 280, 364, 454, 455, 478, 520, 728, 908, 910, 956, 1135, 1195, 1589, 1673, 1816, 1820, 1912, 2270, 2390, 2951, 3107, 3178, 3346, 3640, 4540, 4780, 5902, 6214, 6356, 6692, 7945, 8365, 9080, 9560, 11804, 12428, 12712, 13384, 14755, 15535, 15890, 16730, 20657, 21749, 23608, 24856, 29510, 31070, 31780, 33460, 41314, 43498, 54253, 59020, 62140, 63560, 66920, 82628, 86996, 103285, 108506, 108745, 118040, 124280, 165256, 173992, 206570, 217012, 217490, 271265, 379771, 413140, 434024, 434980, 542530, 705289, 759542, 826280, 869960, 1085060, 1410578, 1519084, 1898855, 2170120, 2821156, 3038168, 3526445, 3797710, 4937023, 5642312, 7052890, 7595420, 9874046, 14105780, 15190840, 19748092, 24685115, 28211560, 39496184, 49370230, 98740460, 197480920]

約数ペア:

[(1, 197480920), (2, 98740460), (4, 49370230), (5, 39496184), (7, 28211560), (8, 24685115), (10, 19748092), (13, 15190840), (14, 14105780), (20, 9874046), (26, 7595420), (28, 7052890), (35, 5642312), (40, 4937023), (52, 3797710), (56, 3526445), (65, 3038168), (70, 2821156), (91, 2170120), (104, 1898855), (130, 1519084), (140, 1410578), (182, 1085060), (227, 869960), (239, 826280), (260, 759542), (280, 705289), (364, 542530), (454, 434980), (455, 434024), (478, 413140), (520, 379771), (728, 271265), (908, 217490), (910, 217012), (956, 206570), (1135, 173992), (1195, 165256), (1589, 124280), (1673, 118040), (1816, 108745), (1820, 108506), (1912, 103285), (2270, 86996), (2390, 82628), (2951, 66920), (3107, 63560), (3178, 62140), (3346, 59020), (3640, 54253), (4540, 43498), (4780, 41314), (5902, 33460), (6214, 31780), (6356, 31070), (6692, 29510), (7945, 24856), (8365, 23608), (9080, 21749), (9560, 20657), (11804, 16730), (12428, 15890), (12712, 15535), (13384, 14755)]