268455980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{10223}}^1$

素因数の和:10346

約数の個数: 48

約数和(自身を含む): 613194624

約数和(自身を除く): 344738644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 5252, 6565, 10223, 13130, 20446, 26260, 40892, 51115, 102230, 132899, 204460, 265798, 531596, 664495, 1032523, 1328990, 2065046, 2657980, 4130092, 5162615, 10325230, 13422799, 20650460, 26845598, 53691196, 67113995, 134227990, 268455980]

約数ペア:

[(1, 268455980), (2, 134227990), (4, 67113995), (5, 53691196), (10, 26845598), (13, 20650460), (20, 13422799), (26, 10325230), (52, 5162615), (65, 4130092), (101, 2657980), (130, 2065046), (202, 1328990), (260, 1032523), (404, 664495), (505, 531596), (1010, 265798), (1313, 204460), (2020, 132899), (2626, 102230), (5252, 51115), (6565, 40892), (10223, 26260), (13130, 20446)]