71883980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73351}}^1$

素因数の和:73374

約数の個数: 36

約数和(自身を含む): 175604688

約数和(自身を除く): 103720708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 73351, 146702, 293404, 366755, 513457, 733510, 1026914, 1467020, 2053828, 2567285, 3594199, 5134570, 7188398, 10269140, 14376796, 17970995, 35941990, 71883980]

約数ペア:

[(1, 71883980), (2, 35941990), (4, 17970995), (5, 14376796), (7, 10269140), (10, 7188398), (14, 5134570), (20, 3594199), (28, 2567285), (35, 2053828), (49, 1467020), (70, 1026914), (98, 733510), (140, 513457), (196, 366755), (245, 293404), (490, 146702), (980, 73351)]