2981360

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:545

約数の個数: 40

約数和(自身を含む): 7030800

約数和(自身を除く): 4049440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 449, 664, 830, 898, 1328, 1660, 1796, 2245, 3320, 3592, 4490, 6640, 7184, 8980, 17960, 35920, 37267, 74534, 149068, 186335, 298136, 372670, 596272, 745340, 1490680, 2981360]

約数ペア:

[(1, 2981360), (2, 1490680), (4, 745340), (5, 596272), (8, 372670), (10, 298136), (16, 186335), (20, 149068), (40, 74534), (80, 37267), (83, 35920), (166, 17960), (332, 8980), (415, 7184), (449, 6640), (664, 4490), (830, 3592), (898, 3320), (1328, 2245), (1660, 1796)]