902156920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1789}}^1\times {\mathrm{1801}}^1$

素因数の和:3608

約数の個数: 64

約数和(自身を含む): 2322417600

約数和(自身を除く): 1420260680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1789, 1801, 3578, 3602, 7156, 7204, 8945, 9005, 12523, 12607, 14312, 14408, 17890, 18010, 25046, 25214, 35780, 36020, 50092, 50428, 62615, 63035, 71560, 72040, 100184, 100856, 125230, 126070, 250460, 252140, 500920, 504280, 3221989, 6443978, 12887956, 16109945, 22553923, 25775912, 32219890, 45107846, 64439780, 90215692, 112769615, 128879560, 180431384, 225539230, 451078460, 902156920]

約数ペア:

[(1, 902156920), (2, 451078460), (4, 225539230), (5, 180431384), (7, 128879560), (8, 112769615), (10, 90215692), (14, 64439780), (20, 45107846), (28, 32219890), (35, 25775912), (40, 22553923), (56, 16109945), (70, 12887956), (140, 6443978), (280, 3221989), (1789, 504280), (1801, 500920), (3578, 252140), (3602, 250460), (7156, 126070), (7204, 125230), (8945, 100856), (9005, 100184), (12523, 72040), (12607, 71560), (14312, 63035), (14408, 62615), (17890, 50428), (18010, 50092), (25046, 36020), (25214, 35780)]