388632975

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 656208000

約数和(自身を除く): 267575025

約数列:

[1, 3, 5, 15, 25, 75, 83, 149, 249, 415, 419, 447, 745, 1245, 1257, 2075, 2095, 2235, 3725, 6225, 6285, 10475, 11175, 12367, 31425, 34777, 37101, 61835, 62431, 104331, 173885, 185505, 187293, 309175, 312155, 521655, 869425, 927525, 936465, 1560775, 2608275, 4682325, 5181773, 15545319, 25908865, 77726595, 129544325, 388632975]

約数ペア:

[(1, 388632975), (3, 129544325), (5, 77726595), (15, 25908865), (25, 15545319), (75, 5181773), (83, 4682325), (149, 2608275), (249, 1560775), (415, 936465), (419, 927525), (447, 869425), (745, 521655), (1245, 312155), (1257, 309175), (2075, 187293), (2095, 185505), (2235, 173885), (3725, 104331), (6225, 62431), (6285, 61835), (10475, 37101), (11175, 34777), (12367, 31425)]