320362609100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{309559}}^1$

素因数の和:309783

約数の個数: 72

約数和(自身を含む): 709362931200

約数和(自身を除く): 389000322100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 131, 158, 262, 316, 395, 524, 655, 790, 1310, 1580, 1975, 2620, 3275, 3950, 6550, 7900, 10349, 13100, 20698, 41396, 51745, 103490, 206980, 258725, 309559, 517450, 619118, 1034900, 1238236, 1547795, 3095590, 6191180, 7738975, 15477950, 24455161, 30955900, 40552229, 48910322, 81104458, 97820644, 122275805, 162208916, 202761145, 244551610, 405522290, 489103220, 611379025, 811044580, 1013805725, 1222758050, 2027611450, 2445516100, 3203626091, 4055222900, 6407252182, 12814504364, 16018130455, 32036260910, 64072521820, 80090652275, 160181304550, 320362609100]

約数ペア:

[(1, 320362609100), (2, 160181304550), (4, 80090652275), (5, 64072521820), (10, 32036260910), (20, 16018130455), (25, 12814504364), (50, 6407252182), (79, 4055222900), (100, 3203626091), (131, 2445516100), (158, 2027611450), (262, 1222758050), (316, 1013805725), (395, 811044580), (524, 611379025), (655, 489103220), (790, 405522290), (1310, 244551610), (1580, 202761145), (1975, 162208916), (2620, 122275805), (3275, 97820644), (3950, 81104458), (6550, 48910322), (7900, 40552229), (10349, 30955900), (13100, 24455161), (20698, 15477950), (41396, 7738975), (51745, 6191180), (103490, 3095590), (206980, 1547795), (258725, 1238236), (309559, 1034900), (517450, 619118)]