12397660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 29494080

約数和(自身を除く): 17096420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 109, 110, 121, 188, 218, 220, 235, 242, 436, 470, 484, 517, 545, 605, 940, 1034, 1090, 1199, 1210, 2068, 2180, 2398, 2420, 2585, 4796, 5123, 5170, 5687, 5995, 10246, 10340, 11374, 11990, 13189, 20492, 22748, 23980, 25615, 26378, 28435, 51230, 52756, 56353, 56870, 65945, 102460, 112706, 113740, 131890, 225412, 263780, 281765, 563530, 619883, 1127060, 1239766, 2479532, 3099415, 6198830, 12397660]

約数ペア:

[(1, 12397660), (2, 6198830), (4, 3099415), (5, 2479532), (10, 1239766), (11, 1127060), (20, 619883), (22, 563530), (44, 281765), (47, 263780), (55, 225412), (94, 131890), (109, 113740), (110, 112706), (121, 102460), (188, 65945), (218, 56870), (220, 56353), (235, 52756), (242, 51230), (436, 28435), (470, 26378), (484, 25615), (517, 23980), (545, 22748), (605, 20492), (940, 13189), (1034, 11990), (1090, 11374), (1199, 10340), (1210, 10246), (2068, 5995), (2180, 5687), (2398, 5170), (2420, 5123), (2585, 4796)]