270052040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157007}}^1$

素因数の和:157061

約数の個数: 32

約数和(自身を含む): 621751680

約数和(自身を除く): 351699640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 157007, 314014, 628028, 785035, 1256056, 1570070, 3140140, 6280280, 6751301, 13502602, 27005204, 33756505, 54010408, 67513010, 135026020, 270052040]

約数ペア:

[(1, 270052040), (2, 135026020), (4, 67513010), (5, 54010408), (8, 33756505), (10, 27005204), (20, 13502602), (40, 6751301), (43, 6280280), (86, 3140140), (172, 1570070), (215, 1256056), (344, 785035), (430, 628028), (860, 314014), (1720, 157007)]