388638752475

素因数分解:

$3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{213359}}^1$

素因数の和:213684

約数の個数: 48

約数和(自身を含む): 650833344000

約数和(自身を除く): 262194591525

約数列:

[1, 3, 5, 15, 25, 75, 149, 163, 447, 489, 745, 815, 2235, 2445, 3725, 4075, 11175, 12225, 24287, 72861, 121435, 213359, 364305, 607175, 640077, 1066795, 1821525, 3200385, 5333975, 16001925, 31790491, 34777517, 95371473, 104332551, 158952455, 173887585, 476857365, 521662755, 794762275, 869437925, 2384286825, 2608313775, 5181850033, 15545550099, 25909250165, 77727750495, 129546250825, 388638752475]

約数ペア:

[(1, 388638752475), (3, 129546250825), (5, 77727750495), (15, 25909250165), (25, 15545550099), (75, 5181850033), (149, 2608313775), (163, 2384286825), (447, 869437925), (489, 794762275), (745, 521662755), (815, 476857365), (2235, 173887585), (2445, 158952455), (3725, 104332551), (4075, 95371473), (11175, 34777517), (12225, 31790491), (24287, 16001925), (72861, 5333975), (121435, 3200385), (213359, 1821525), (364305, 1066795), (607175, 640077)]