720403430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{56591}}^1$

素因数の和:56684

約数の個数: 32

約数和(自身を含む): 1385372160

約数和(自身を除く): 664968730

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 2546, 6365, 12730, 56591, 113182, 282955, 565910, 1075229, 2150458, 3791597, 5376145, 7583194, 10752290, 18957985, 37915970, 72040343, 144080686, 360201715, 720403430]

約数ペア:

[(1, 720403430), (2, 360201715), (5, 144080686), (10, 72040343), (19, 37915970), (38, 18957985), (67, 10752290), (95, 7583194), (134, 5376145), (190, 3791597), (335, 2150458), (670, 1075229), (1273, 565910), (2546, 282955), (6365, 113182), (12730, 56591)]