290823100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{40961}}^1$

素因数の和:41046

約数の個数: 36

約数和(自身を含む): 639990288

約数和(自身を除く): 349167188

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 40961, 81922, 163844, 204805, 409610, 819220, 1024025, 2048050, 2908231, 4096100, 5816462, 11632924, 14541155, 29082310, 58164620, 72705775, 145411550, 290823100]

約数ペア:

[(1, 290823100), (2, 145411550), (4, 72705775), (5, 58164620), (10, 29082310), (20, 14541155), (25, 11632924), (50, 5816462), (71, 4096100), (100, 2908231), (142, 2048050), (284, 1024025), (355, 819220), (710, 409610), (1420, 204805), (1775, 163844), (3550, 81922), (7100, 40961)]