201731075

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 326764800

約数和(自身を除く): 125033725

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 133, 169, 175, 247, 325, 359, 455, 475, 665, 845, 1183, 1235, 1729, 1795, 2275, 2513, 3211, 3325, 4225, 4667, 5915, 6175, 6821, 8645, 8975, 12565, 16055, 22477, 23335, 29575, 32669, 34105, 43225, 47747, 60671, 62825, 80275, 88673, 112385, 116675, 163345, 170525, 238735, 303355, 424697, 443365, 561925, 620711, 816725, 1152749, 1193675, 1516775, 2123485, 2216825, 3103555, 5763745, 8069243, 10617425, 15517775, 28818725, 40346215, 201731075]

約数ペア:

[(1, 201731075), (5, 40346215), (7, 28818725), (13, 15517775), (19, 10617425), (25, 8069243), (35, 5763745), (65, 3103555), (91, 2216825), (95, 2123485), (133, 1516775), (169, 1193675), (175, 1152749), (247, 816725), (325, 620711), (359, 561925), (455, 443365), (475, 424697), (665, 303355), (845, 238735), (1183, 170525), (1235, 163345), (1729, 116675), (1795, 112385), (2275, 88673), (2513, 80275), (3211, 62825), (3325, 60671), (4225, 47747), (4667, 43225), (5915, 34105), (6175, 32669), (6821, 29575), (8645, 23335), (8975, 22477), (12565, 16055)]