1445980

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{367}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 3060288

約数和(自身を除く): 1614308

約数列:

[1, 2, 4, 5, 10, 20, 197, 367, 394, 734, 788, 985, 1468, 1835, 1970, 3670, 3940, 7340, 72299, 144598, 289196, 361495, 722990, 1445980]

約数ペア:

[(1, 1445980), (2, 722990), (4, 361495), (5, 289196), (10, 144598), (20, 72299), (197, 7340), (367, 3940), (394, 3670), (734, 1970), (788, 1835), (985, 1468)]