320161970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1\times {\mathrm{2557}}^1$

素因数の和:3242

約数の個数: 32

約数和(自身を含む): 607780800

約数和(自身を除く): 287618830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 659, 1318, 2557, 3295, 5114, 6590, 12521, 12785, 25042, 25570, 48583, 62605, 97166, 125210, 242915, 485830, 1685063, 3370126, 8425315, 16850630, 32016197, 64032394, 160080985, 320161970]

約数ペア:

[(1, 320161970), (2, 160080985), (5, 64032394), (10, 32016197), (19, 16850630), (38, 8425315), (95, 3370126), (190, 1685063), (659, 485830), (1318, 242915), (2557, 125210), (3295, 97166), (5114, 62605), (6590, 48583), (12521, 25570), (12785, 25042)]