212803480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{100379}}^1$

素因数の和:100443

約数の個数: 32

約数和(自身を含む): 487846800

約数和(自身を除く): 275043320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 100379, 200758, 401516, 501895, 803032, 1003790, 2007580, 4015160, 5320087, 10640174, 21280348, 26600435, 42560696, 53200870, 106401740, 212803480]

約数ペア:

[(1, 212803480), (2, 106401740), (4, 53200870), (5, 42560696), (8, 26600435), (10, 21280348), (20, 10640174), (40, 5320087), (53, 4015160), (106, 2007580), (212, 1003790), (265, 803032), (424, 501895), (530, 401516), (1060, 200758), (2120, 100379)]