745340

素因数分解:

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

素因数の和:541

約数の個数: 24

約数和(自身を含む): 1587600

約数和(自身を除く): 842260

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 449, 830, 898, 1660, 1796, 2245, 4490, 8980, 37267, 74534, 149068, 186335, 372670, 745340]

約数ペア:

[(1, 745340), (2, 372670), (4, 186335), (5, 149068), (10, 74534), (20, 37267), (83, 8980), (166, 4490), (332, 2245), (415, 1796), (449, 1660), (830, 898)]