121898390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{3557}}^1$

素因数の和:3736

約数の個数: 32

約数和(自身を含む): 230558400

約数和(自身を除く): 108660010

約数列:

[1, 2, 5, 10, 23, 46, 115, 149, 230, 298, 745, 1490, 3427, 3557, 6854, 7114, 17135, 17785, 34270, 35570, 81811, 163622, 409055, 529993, 818110, 1059986, 2649965, 5299930, 12189839, 24379678, 60949195, 121898390]

約数ペア:

[(1, 121898390), (2, 60949195), (5, 24379678), (10, 12189839), (23, 5299930), (46, 2649965), (115, 1059986), (149, 818110), (230, 529993), (298, 409055), (745, 163622), (1490, 81811), (3427, 35570), (3557, 34270), (6854, 17785), (7114, 17135)]