68909900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{22229}}^1$

素因数の和:22274

約数の個数: 36

約数和(自身を含む): 154365120

約数和(自身を除く): 85455220

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 22229, 44458, 88916, 111145, 222290, 444580, 555725, 689099, 1111450, 1378198, 2222900, 2756396, 3445495, 6890990, 13781980, 17227475, 34454950, 68909900]

約数ペア:

[(1, 68909900), (2, 34454950), (4, 17227475), (5, 13781980), (10, 6890990), (20, 3445495), (25, 2756396), (31, 2222900), (50, 1378198), (62, 1111450), (100, 689099), (124, 555725), (155, 444580), (310, 222290), (620, 111145), (775, 88916), (1550, 44458), (3100, 22229)]