208060325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 291528960

約数和(自身を除く): 83468635

約数列:

[1, 5, 11, 25, 55, 61, 79, 157, 275, 305, 395, 671, 785, 869, 1525, 1727, 1975, 3355, 3925, 4345, 4819, 8635, 9577, 12403, 16775, 21725, 24095, 43175, 47885, 53009, 62015, 105347, 120475, 136433, 239425, 265045, 310075, 526735, 682165, 756583, 1325225, 2633675, 3410825, 3782915, 8322413, 18914575, 41612065, 208060325]

約数ペア:

[(1, 208060325), (5, 41612065), (11, 18914575), (25, 8322413), (55, 3782915), (61, 3410825), (79, 2633675), (157, 1325225), (275, 756583), (305, 682165), (395, 526735), (671, 310075), (785, 265045), (869, 239425), (1525, 136433), (1727, 120475), (1975, 105347), (3355, 62015), (3925, 53009), (4345, 47885), (4819, 43175), (8635, 24095), (9577, 21725), (12403, 16775)]