72020690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1427}}^1$

素因数の和:1551

約数の個数: 48

約数和(自身を含む): 152373312

約数和(自身を除く): 80352622

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 103, 206, 245, 490, 515, 721, 1030, 1427, 1442, 2854, 3605, 5047, 7135, 7210, 9989, 10094, 14270, 19978, 25235, 49945, 50470, 69923, 99890, 139846, 146981, 293962, 349615, 699230, 734905, 1028867, 1469810, 2057734, 5144335, 7202069, 10288670, 14404138, 36010345, 72020690]

約数ペア:

[(1, 72020690), (2, 36010345), (5, 14404138), (7, 10288670), (10, 7202069), (14, 5144335), (35, 2057734), (49, 1469810), (70, 1028867), (98, 734905), (103, 699230), (206, 349615), (245, 293962), (490, 146981), (515, 139846), (721, 99890), (1030, 69923), (1427, 50470), (1442, 49945), (2854, 25235), (3605, 19978), (5047, 14270), (7135, 10094), (7210, 9989)]