679195400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{261229}}^1$

素因数の和:261258

約数の個数: 48

約数和(自身を含む): 1700607300

約数和(自身を除く): 1021411900

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 261229, 522458, 1044916, 1306145, 2089832, 2612290, 3395977, 5224580, 6530725, 6791954, 10449160, 13061450, 13583908, 16979885, 26122900, 27167816, 33959770, 52245800, 67919540, 84899425, 135839080, 169798850, 339597700, 679195400]

約数ペア:

[(1, 679195400), (2, 339597700), (4, 169798850), (5, 135839080), (8, 84899425), (10, 67919540), (13, 52245800), (20, 33959770), (25, 27167816), (26, 26122900), (40, 16979885), (50, 13583908), (52, 13061450), (65, 10449160), (100, 6791954), (104, 6530725), (130, 5224580), (200, 3395977), (260, 2612290), (325, 2089832), (520, 1306145), (650, 1044916), (1300, 522458), (2600, 261229)]