396552040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7349}}^1$

素因数の和:7450

約数の個数: 64

約数和(自身を含む): 952560000

約数和(自身を除く): 556007960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 5396, 6745, 7349, 10792, 13490, 14698, 26980, 29396, 36745, 53960, 58792, 73490, 139631, 146980, 279262, 293960, 521779, 558524, 698155, 1043558, 1117048, 1396310, 2087116, 2608895, 2792620, 4174232, 5217790, 5585240, 9913801, 10435580, 19827602, 20871160, 39655204, 49569005, 79310408, 99138010, 198276020, 396552040]

約数ペア:

[(1, 396552040), (2, 198276020), (4, 99138010), (5, 79310408), (8, 49569005), (10, 39655204), (19, 20871160), (20, 19827602), (38, 10435580), (40, 9913801), (71, 5585240), (76, 5217790), (95, 4174232), (142, 2792620), (152, 2608895), (190, 2087116), (284, 1396310), (355, 1117048), (380, 1043558), (568, 698155), (710, 558524), (760, 521779), (1349, 293960), (1420, 279262), (2698, 146980), (2840, 139631), (5396, 73490), (6745, 58792), (7349, 53960), (10792, 36745), (13490, 29396), (14698, 26980)]