71986900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{10139}}^1$

素因数の和:10224

約数の個数: 36

約数和(自身を含む): 158427360

約数和(自身を除く): 86440460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 10139, 20278, 40556, 50695, 101390, 202780, 253475, 506950, 719869, 1013900, 1439738, 2879476, 3599345, 7198690, 14397380, 17996725, 35993450, 71986900]

約数ペア:

[(1, 71986900), (2, 35993450), (4, 17996725), (5, 14397380), (10, 7198690), (20, 3599345), (25, 2879476), (50, 1439738), (71, 1013900), (100, 719869), (142, 506950), (284, 253475), (355, 202780), (710, 101390), (1420, 50695), (1775, 40556), (3550, 20278), (7100, 10139)]