28888900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9319}}^1$

素因数の和:9364

約数の個数: 36

約数和(自身を含む): 64718080

約数和(自身を除く): 35829180

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 9319, 18638, 37276, 46595, 93190, 186380, 232975, 288889, 465950, 577778, 931900, 1155556, 1444445, 2888890, 5777780, 7222225, 14444450, 28888900]

約数ペア:

[(1, 28888900), (2, 14444450), (4, 7222225), (5, 5777780), (10, 2888890), (20, 1444445), (25, 1155556), (31, 931900), (50, 577778), (62, 465950), (100, 288889), (124, 232975), (155, 186380), (310, 93190), (620, 46595), (775, 37276), (1550, 18638), (3100, 9319)]