1490680

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 3402000

約数和(自身を除く): 1911320

約数列:

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

約数ペア:

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