201916900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{28439}}^1$

素因数の和:28524

約数の個数: 36

約数和(自身を含む): 444346560

約数和(自身を除く): 242429660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 28439, 56878, 113756, 142195, 284390, 568780, 710975, 1421950, 2019169, 2843900, 4038338, 8076676, 10095845, 20191690, 40383380, 50479225, 100958450, 201916900]

約数ペア:

[(1, 201916900), (2, 100958450), (4, 50479225), (5, 40383380), (10, 20191690), (20, 10095845), (25, 8076676), (50, 4038338), (71, 2843900), (100, 2019169), (142, 1421950), (284, 710975), (355, 568780), (710, 284390), (1420, 142195), (1775, 113756), (3550, 56878), (7100, 28439)]