7294280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 19008000

約数和(自身を除く): 11713720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 239, 280, 436, 478, 545, 763, 872, 956, 1090, 1195, 1526, 1673, 1912, 2180, 2390, 3052, 3346, 3815, 4360, 4780, 6104, 6692, 7630, 8365, 9560, 13384, 15260, 16730, 26051, 30520, 33460, 52102, 66920, 104204, 130255, 182357, 208408, 260510, 364714, 521020, 729428, 911785, 1042040, 1458856, 1823570, 3647140, 7294280]

約数ペア:

[(1, 7294280), (2, 3647140), (4, 1823570), (5, 1458856), (7, 1042040), (8, 911785), (10, 729428), (14, 521020), (20, 364714), (28, 260510), (35, 208408), (40, 182357), (56, 130255), (70, 104204), (109, 66920), (140, 52102), (218, 33460), (239, 30520), (280, 26051), (436, 16730), (478, 15260), (545, 13384), (763, 9560), (872, 8365), (956, 7630), (1090, 6692), (1195, 6104), (1526, 4780), (1673, 4360), (1912, 3815), (2180, 3346), (2390, 3052)]