31222940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2687}}^1$

素因数の和:2786

約数の個数: 48

約数和(自身を含む): 75866112

約数和(自身を除く): 44643172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2687, 2905, 5374, 5810, 10748, 11620, 13435, 18809, 26870, 37618, 53740, 75236, 94045, 188090, 223021, 376180, 446042, 892084, 1115105, 1561147, 2230210, 3122294, 4460420, 6244588, 7805735, 15611470, 31222940]

約数ペア:

[(1, 31222940), (2, 15611470), (4, 7805735), (5, 6244588), (7, 4460420), (10, 3122294), (14, 2230210), (20, 1561147), (28, 1115105), (35, 892084), (70, 446042), (83, 376180), (140, 223021), (166, 188090), (332, 94045), (415, 75236), (581, 53740), (830, 37618), (1162, 26870), (1660, 18809), (2324, 13435), (2687, 11620), (2905, 10748), (5374, 5810)]