22819150

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 44193600

約数和(自身を除く): 21374450

約数列:

[1, 2, 5, 10, 25, 50, 53, 79, 106, 109, 158, 218, 265, 395, 530, 545, 790, 1090, 1325, 1975, 2650, 2725, 3950, 4187, 5450, 5777, 8374, 8611, 11554, 17222, 20935, 28885, 41870, 43055, 57770, 86110, 104675, 144425, 209350, 215275, 288850, 430550, 456383, 912766, 2281915, 4563830, 11409575, 22819150]

約数ペア:

[(1, 22819150), (2, 11409575), (5, 4563830), (10, 2281915), (25, 912766), (50, 456383), (53, 430550), (79, 288850), (106, 215275), (109, 209350), (158, 144425), (218, 104675), (265, 86110), (395, 57770), (530, 43055), (545, 41870), (790, 28885), (1090, 20935), (1325, 17222), (1975, 11554), (2650, 8611), (2725, 8374), (3950, 5777), (4187, 5450)]