31073980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{221957}}^1$

素因数の和:221973

約数の個数: 24

約数和(自身を含む): 74577888

約数和(自身を除く): 43503908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 221957, 443914, 887828, 1109785, 1553699, 2219570, 3107398, 4439140, 6214796, 7768495, 15536990, 31073980]

約数ペア:

[(1, 31073980), (2, 15536990), (4, 7768495), (5, 6214796), (7, 4439140), (10, 3107398), (14, 2219570), (20, 1553699), (28, 1109785), (35, 887828), (70, 443914), (140, 221957)]