89900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 36

約数和(自身を含む): 208320

約数和(自身を除く): 118420

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 100, 116, 124, 145, 155, 290, 310, 580, 620, 725, 775, 899, 1450, 1550, 1798, 2900, 3100, 3596, 4495, 8990, 17980, 22475, 44950, 89900]

約数ペア:

[(1, 89900), (2, 44950), (4, 22475), (5, 17980), (10, 8990), (20, 4495), (25, 3596), (29, 3100), (31, 2900), (50, 1798), (58, 1550), (62, 1450), (100, 899), (116, 775), (124, 725), (145, 620), (155, 580), (290, 310)]