210070280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1709}}^1$

素因数の和:2166

約数の個数: 64

約数和(自身を含む): 541728000

約数和(自身を除く): 331657720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 878, 1709, 1756, 2195, 3073, 3418, 3512, 4390, 6146, 6836, 8545, 8780, 11963, 12292, 13672, 15365, 17090, 17560, 23926, 24584, 30730, 34180, 47852, 59815, 61460, 68360, 95704, 119630, 122920, 239260, 478520, 750251, 1500502, 3001004, 3751255, 5251757, 6002008, 7502510, 10503514, 15005020, 21007028, 26258785, 30010040, 42014056, 52517570, 105035140, 210070280]

約数ペア:

[(1, 210070280), (2, 105035140), (4, 52517570), (5, 42014056), (7, 30010040), (8, 26258785), (10, 21007028), (14, 15005020), (20, 10503514), (28, 7502510), (35, 6002008), (40, 5251757), (56, 3751255), (70, 3001004), (140, 1500502), (280, 750251), (439, 478520), (878, 239260), (1709, 122920), (1756, 119630), (2195, 95704), (3073, 68360), (3418, 61460), (3512, 59815), (4390, 47852), (6146, 34180), (6836, 30730), (8545, 24584), (8780, 23926), (11963, 17560), (12292, 17090), (13672, 15365)]