1994737900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{280949}}^1$

素因数の和:281034

約数の個数: 36

約数和(自身を含む): 4389562800

約数和(自身を除く): 2394824900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 280949, 561898, 1123796, 1404745, 2809490, 5618980, 7023725, 14047450, 19947379, 28094900, 39894758, 79789516, 99736895, 199473790, 398947580, 498684475, 997368950, 1994737900]

約数ペア:

[(1, 1994737900), (2, 997368950), (4, 498684475), (5, 398947580), (10, 199473790), (20, 99736895), (25, 79789516), (50, 39894758), (71, 28094900), (100, 19947379), (142, 14047450), (284, 7023725), (355, 5618980), (710, 2809490), (1420, 1404745), (1775, 1123796), (3550, 561898), (7100, 280949)]