89434940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15581}}^1$

素因数の和:15638

約数の個数: 48

約数和(自身を含む): 219893184

約数和(自身を除く): 130458244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 15581, 31162, 62324, 77905, 109067, 155810, 218134, 311620, 436268, 545335, 638821, 1090670, 1277642, 2181340, 2555284, 3194105, 4471747, 6388210, 8943494, 12776420, 17886988, 22358735, 44717470, 89434940]

約数ペア:

[(1, 89434940), (2, 44717470), (4, 22358735), (5, 17886988), (7, 12776420), (10, 8943494), (14, 6388210), (20, 4471747), (28, 3194105), (35, 2555284), (41, 2181340), (70, 1277642), (82, 1090670), (140, 638821), (164, 545335), (205, 436268), (287, 311620), (410, 218134), (574, 155810), (820, 109067), (1148, 77905), (1435, 62324), (2870, 31162), (5740, 15581)]