31306220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{269}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 75252240

約数和(自身を除く): 43946020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 269, 460, 506, 529, 538, 1012, 1058, 1076, 1265, 1345, 2116, 2530, 2645, 2690, 2959, 5060, 5290, 5380, 5819, 5918, 6187, 10580, 11638, 11836, 12374, 14795, 23276, 24748, 29095, 29590, 30935, 58190, 59180, 61870, 68057, 116380, 123740, 136114, 142301, 272228, 284602, 340285, 569204, 680570, 711505, 1361140, 1423010, 1565311, 2846020, 3130622, 6261244, 7826555, 15653110, 31306220]

約数ペア:

[(1, 31306220), (2, 15653110), (4, 7826555), (5, 6261244), (10, 3130622), (11, 2846020), (20, 1565311), (22, 1423010), (23, 1361140), (44, 711505), (46, 680570), (55, 569204), (92, 340285), (110, 284602), (115, 272228), (220, 142301), (230, 136114), (253, 123740), (269, 116380), (460, 68057), (506, 61870), (529, 59180), (538, 58190), (1012, 30935), (1058, 29590), (1076, 29095), (1265, 24748), (1345, 23276), (2116, 14795), (2530, 12374), (2645, 11836), (2690, 11638), (2959, 10580), (5060, 6187), (5290, 5918), (5380, 5819)]