31295980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1109}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 70489440

約数和(自身を除く): 39193460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 830, 1109, 1411, 1660, 2218, 2822, 4436, 5545, 5644, 7055, 11090, 14110, 18853, 22180, 28220, 37706, 75412, 92047, 94265, 184094, 188530, 368188, 377060, 460235, 920470, 1564799, 1840940, 3129598, 6259196, 7823995, 15647990, 31295980]

約数ペア:

[(1, 31295980), (2, 15647990), (4, 7823995), (5, 6259196), (10, 3129598), (17, 1840940), (20, 1564799), (34, 920470), (68, 460235), (83, 377060), (85, 368188), (166, 188530), (170, 184094), (332, 94265), (340, 92047), (415, 75412), (830, 37706), (1109, 28220), (1411, 22180), (1660, 18853), (2218, 14110), (2822, 11090), (4436, 7055), (5545, 5644)]