487391275

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 767450880

約数和(自身を除く): 280059605

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 289, 391, 419, 425, 575, 595, 805, 1445, 1955, 2023, 2095, 2737, 2933, 2975, 4025, 6647, 7123, 7225, 9637, 9775, 10115, 10475, 13685, 14665, 33235, 35615, 46529, 48185, 49861, 50575, 67459, 68425, 73325, 121091, 163829, 166175, 178075, 232645, 240925, 249305, 337295, 605455, 819145, 847637, 1146803, 1163225, 1246525, 1686475, 2785093, 3027275, 4095725, 4238185, 5734015, 13925465, 19495651, 21190925, 28670075, 69627325, 97478255, 487391275]

約数ペア:

[(1, 487391275), (5, 97478255), (7, 69627325), (17, 28670075), (23, 21190925), (25, 19495651), (35, 13925465), (85, 5734015), (115, 4238185), (119, 4095725), (161, 3027275), (175, 2785093), (289, 1686475), (391, 1246525), (419, 1163225), (425, 1146803), (575, 847637), (595, 819145), (805, 605455), (1445, 337295), (1955, 249305), (2023, 240925), (2095, 232645), (2737, 178075), (2933, 166175), (2975, 163829), (4025, 121091), (6647, 73325), (7123, 68425), (7225, 67459), (9637, 50575), (9775, 49861), (10115, 48185), (10475, 46529), (13685, 35615), (14665, 33235)]