2140448260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{8689}}^1$

素因数の和:8920

約数の個数: 48

約数和(自身を含む): 4576849200

約数和(自身を除く): 2436400940

約数列:

[1, 2, 4, 5, 10, 20, 109, 113, 218, 226, 436, 452, 545, 565, 1090, 1130, 2180, 2260, 8689, 12317, 17378, 24634, 34756, 43445, 49268, 61585, 86890, 123170, 173780, 246340, 947101, 981857, 1894202, 1963714, 3788404, 3927428, 4735505, 4909285, 9471010, 9818570, 18942020, 19637140, 107022413, 214044826, 428089652, 535112065, 1070224130, 2140448260]

約数ペア:

[(1, 2140448260), (2, 1070224130), (4, 535112065), (5, 428089652), (10, 214044826), (20, 107022413), (109, 19637140), (113, 18942020), (218, 9818570), (226, 9471010), (436, 4909285), (452, 4735505), (545, 3927428), (565, 3788404), (1090, 1963714), (1130, 1894202), (2180, 981857), (2260, 947101), (8689, 246340), (12317, 173780), (17378, 123170), (24634, 86890), (34756, 61585), (43445, 49268)]