22894120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 54720000

約数和(自身を除く): 31825880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 499, 620, 740, 998, 1147, 1240, 1480, 1996, 2294, 2495, 3992, 4588, 4990, 5735, 9176, 9980, 11470, 15469, 18463, 19960, 22940, 30938, 36926, 45880, 61876, 73852, 77345, 92315, 123752, 147704, 154690, 184630, 309380, 369260, 572353, 618760, 738520, 1144706, 2289412, 2861765, 4578824, 5723530, 11447060, 22894120]

約数ペア:

[(1, 22894120), (2, 11447060), (4, 5723530), (5, 4578824), (8, 2861765), (10, 2289412), (20, 1144706), (31, 738520), (37, 618760), (40, 572353), (62, 369260), (74, 309380), (124, 184630), (148, 154690), (155, 147704), (185, 123752), (248, 92315), (296, 77345), (310, 73852), (370, 61876), (499, 45880), (620, 36926), (740, 30938), (998, 22940), (1147, 19960), (1240, 18463), (1480, 15469), (1996, 11470), (2294, 9980), (2495, 9176), (3992, 5735), (4588, 4990)]