247996900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79999}}^1$

素因数の和:80044

約数の個数: 36

約数和(自身を含む): 555520000

約数和(自身を除く): 307523100

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 79999, 159998, 319996, 399995, 799990, 1599980, 1999975, 2479969, 3999950, 4959938, 7999900, 9919876, 12399845, 24799690, 49599380, 61999225, 123998450, 247996900]

約数ペア:

[(1, 247996900), (2, 123998450), (4, 61999225), (5, 49599380), (10, 24799690), (20, 12399845), (25, 9919876), (31, 7999900), (50, 4959938), (62, 3999950), (100, 2479969), (124, 1999975), (155, 1599980), (310, 799990), (620, 399995), (775, 319996), (1550, 159998), (3100, 79999)]