2017353875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 2757680640

約数和(自身を除く): 740326765

約数列:

[1, 5, 17, 25, 61, 79, 85, 125, 197, 305, 395, 425, 985, 1037, 1343, 1525, 1975, 2125, 3349, 4819, 4925, 5185, 6715, 7625, 9875, 12017, 15563, 16745, 24095, 24625, 25925, 33575, 60085, 77815, 81923, 83725, 120475, 129625, 167875, 204289, 264571, 300425, 389075, 409615, 418625, 602375, 949343, 1021445, 1322855, 1502125, 1945375, 2048075, 4746715, 5107225, 6614275, 10240375, 16138831, 23733575, 25536125, 33071375, 80694155, 118667875, 403470775, 2017353875]

約数ペア:

[(1, 2017353875), (5, 403470775), (17, 118667875), (25, 80694155), (61, 33071375), (79, 25536125), (85, 23733575), (125, 16138831), (197, 10240375), (305, 6614275), (395, 5107225), (425, 4746715), (985, 2048075), (1037, 1945375), (1343, 1502125), (1525, 1322855), (1975, 1021445), (2125, 949343), (3349, 602375), (4819, 418625), (4925, 409615), (5185, 389075), (6715, 300425), (7625, 264571), (9875, 204289), (12017, 167875), (15563, 129625), (16745, 120475), (24095, 83725), (24625, 81923), (25925, 77815), (33575, 60085)]