104520100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 235262720

約数和(自身を除く): 130742620

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 109, 172, 215, 218, 223, 430, 436, 446, 545, 860, 892, 1075, 1090, 1115, 2150, 2180, 2230, 2725, 4300, 4460, 4687, 5450, 5575, 9374, 9589, 10900, 11150, 18748, 19178, 22300, 23435, 24307, 38356, 46870, 47945, 48614, 93740, 95890, 97228, 117175, 121535, 191780, 234350, 239725, 243070, 468700, 479450, 486140, 607675, 958900, 1045201, 1215350, 2090402, 2430700, 4180804, 5226005, 10452010, 20904020, 26130025, 52260050, 104520100]

約数ペア:

[(1, 104520100), (2, 52260050), (4, 26130025), (5, 20904020), (10, 10452010), (20, 5226005), (25, 4180804), (43, 2430700), (50, 2090402), (86, 1215350), (100, 1045201), (109, 958900), (172, 607675), (215, 486140), (218, 479450), (223, 468700), (430, 243070), (436, 239725), (446, 234350), (545, 191780), (860, 121535), (892, 117175), (1075, 97228), (1090, 95890), (1115, 93740), (2150, 48614), (2180, 47945), (2230, 46870), (2725, 38356), (4300, 24307), (4460, 23435), (4687, 22300), (5450, 19178), (5575, 18748), (9374, 11150), (9589, 10900)]