640147190

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1\times {\mathrm{1913}}^1$

素因数の和:2336

約数の個数: 32

約数和(自身を含む): 1167233760

約数和(自身を除く): 527086570

約数列:

[1, 2, 5, 10, 109, 218, 307, 545, 614, 1090, 1535, 1913, 3070, 3826, 9565, 19130, 33463, 66926, 167315, 208517, 334630, 417034, 587291, 1042585, 1174582, 2085170, 2936455, 5872910, 64014719, 128029438, 320073595, 640147190]

約数ペア:

[(1, 640147190), (2, 320073595), (5, 128029438), (10, 64014719), (109, 5872910), (218, 2936455), (307, 2085170), (545, 1174582), (614, 1042585), (1090, 587291), (1535, 417034), (1913, 334630), (3070, 208517), (3826, 167315), (9565, 66926), (19130, 33463)]