320427970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{23753}}^1$

素因数の和:23850

約数の個数: 32

約数和(自身を含む): 615703680

約数和(自身を除く): 295275710

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6745, 13490, 23753, 47506, 118765, 237530, 451307, 902614, 1686463, 2256535, 3372926, 4513070, 8432315, 16864630, 32042797, 64085594, 160213985, 320427970]

約数ペア:

[(1, 320427970), (2, 160213985), (5, 64085594), (10, 32042797), (19, 16864630), (38, 8432315), (71, 4513070), (95, 3372926), (142, 2256535), (190, 1686463), (355, 902614), (710, 451307), (1349, 237530), (2698, 118765), (6745, 47506), (13490, 23753)]