289391375

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 475038720

約数和(自身を除く): 185647345

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 103, 125, 133, 169, 175, 247, 325, 455, 475, 515, 665, 721, 845, 875, 1183, 1235, 1339, 1625, 1729, 1957, 2275, 2375, 2575, 3211, 3325, 3605, 4225, 5915, 6175, 6695, 8645, 9373, 9785, 11375, 12875, 13699, 16055, 16625, 17407, 18025, 21125, 22477, 25441, 29575, 30875, 33475, 43225, 46865, 48925, 68495, 80275, 87035, 90125, 112385, 121849, 127205, 147875, 167375, 178087, 216125, 234325, 244625, 330733, 342475, 401375, 435175, 561925, 609245, 636025, 890435, 1171625, 1653665, 1712375, 2175875, 2315131, 2809625, 3046225, 3180125, 4452175, 8268325, 11575655, 15231125, 22260875, 41341625, 57878275, 289391375]

約数ペア:

[(1, 289391375), (5, 57878275), (7, 41341625), (13, 22260875), (19, 15231125), (25, 11575655), (35, 8268325), (65, 4452175), (91, 3180125), (95, 3046225), (103, 2809625), (125, 2315131), (133, 2175875), (169, 1712375), (175, 1653665), (247, 1171625), (325, 890435), (455, 636025), (475, 609245), (515, 561925), (665, 435175), (721, 401375), (845, 342475), (875, 330733), (1183, 244625), (1235, 234325), (1339, 216125), (1625, 178087), (1729, 167375), (1957, 147875), (2275, 127205), (2375, 121849), (2575, 112385), (3211, 90125), (3325, 87035), (3605, 80275), (4225, 68495), (5915, 48925), (6175, 46865), (6695, 43225), (8645, 33475), (9373, 30875), (9785, 29575), (11375, 25441), (12875, 22477), (13699, 21125), (16055, 18025), (16625, 17407)]