413601980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{26479}}^1$

素因数の和:26570

約数の個数: 48

約数和(自身を含む): 960906240

約数和(自身を除く): 547304260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 15620, 26479, 52958, 105916, 132395, 264790, 291269, 529580, 582538, 1165076, 1456345, 1880009, 2912690, 3760018, 5825380, 7520036, 9400045, 18800090, 20680099, 37600180, 41360198, 82720396, 103400495, 206800990, 413601980]

約数ペア:

[(1, 413601980), (2, 206800990), (4, 103400495), (5, 82720396), (10, 41360198), (11, 37600180), (20, 20680099), (22, 18800090), (44, 9400045), (55, 7520036), (71, 5825380), (110, 3760018), (142, 2912690), (220, 1880009), (284, 1456345), (355, 1165076), (710, 582538), (781, 529580), (1420, 291269), (1562, 264790), (3124, 132395), (3905, 105916), (7810, 52958), (15620, 26479)]