212315900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{68489}}^1$

素因数の和:68534

約数の個数: 36

約数和(自身を含む): 475594560

約数和(自身を除く): 263278660

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 68489, 136978, 273956, 342445, 684890, 1369780, 1712225, 2123159, 3424450, 4246318, 6848900, 8492636, 10615795, 21231590, 42463180, 53078975, 106157950, 212315900]

約数ペア:

[(1, 212315900), (2, 106157950), (4, 53078975), (5, 42463180), (10, 21231590), (20, 10615795), (25, 8492636), (31, 6848900), (50, 4246318), (62, 3424450), (100, 2123159), (124, 1712225), (155, 1369780), (310, 684890), (620, 342445), (775, 273956), (1550, 136978), (3100, 68489)]