8969900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4721}}^1$

素因数の和:4754

約数の個数: 36

約数和(自身を含む): 20493480

約数和(自身を除く): 11523580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 4721, 9442, 18884, 23605, 47210, 89699, 94420, 118025, 179398, 236050, 358796, 448495, 472100, 896990, 1793980, 2242475, 4484950, 8969900]

約数ペア:

[(1, 8969900), (2, 4484950), (4, 2242475), (5, 1793980), (10, 896990), (19, 472100), (20, 448495), (25, 358796), (38, 236050), (50, 179398), (76, 118025), (95, 94420), (100, 89699), (190, 47210), (380, 23605), (475, 18884), (950, 9442), (1900, 4721)]