72875740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{74363}}^1$

素因数の和:74386

約数の個数: 36

約数和(自身を含む): 178027416

約数和(自身を除く): 105151676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 74363, 148726, 297452, 371815, 520541, 743630, 1041082, 1487260, 2082164, 2602705, 3643787, 5205410, 7287574, 10410820, 14575148, 18218935, 36437870, 72875740]

約数ペア:

[(1, 72875740), (2, 36437870), (4, 18218935), (5, 14575148), (7, 10410820), (10, 7287574), (14, 5205410), (20, 3643787), (28, 2602705), (35, 2082164), (49, 1487260), (70, 1041082), (98, 743630), (140, 520541), (196, 371815), (245, 297452), (490, 148726), (980, 74363)]