129204020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1913}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 297114048

約数和(自身を除く): 167910028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 307, 614, 1228, 1535, 1913, 3070, 3377, 3826, 6140, 6754, 7652, 9565, 13508, 16885, 19130, 21043, 33770, 38260, 42086, 67540, 84172, 105215, 210430, 420860, 587291, 1174582, 2349164, 2936455, 5872910, 6460201, 11745820, 12920402, 25840804, 32301005, 64602010, 129204020]

約数ペア:

[(1, 129204020), (2, 64602010), (4, 32301005), (5, 25840804), (10, 12920402), (11, 11745820), (20, 6460201), (22, 5872910), (44, 2936455), (55, 2349164), (110, 1174582), (220, 587291), (307, 420860), (614, 210430), (1228, 105215), (1535, 84172), (1913, 67540), (3070, 42086), (3377, 38260), (3826, 33770), (6140, 21043), (6754, 19130), (7652, 16885), (9565, 13508)]