31145620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2113}}^1$

素因数の和:2200

約数の個数: 48

約数和(自身を含む): 72451008

約数和(自身を除く): 41305388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1474, 2113, 2948, 3685, 4226, 7370, 8452, 10565, 14740, 21130, 23243, 42260, 46486, 92972, 116215, 141571, 232430, 283142, 464860, 566284, 707855, 1415710, 1557281, 2831420, 3114562, 6229124, 7786405, 15572810, 31145620]

約数ペア:

[(1, 31145620), (2, 15572810), (4, 7786405), (5, 6229124), (10, 3114562), (11, 2831420), (20, 1557281), (22, 1415710), (44, 707855), (55, 566284), (67, 464860), (110, 283142), (134, 232430), (220, 141571), (268, 116215), (335, 92972), (670, 46486), (737, 42260), (1340, 23243), (1474, 21130), (2113, 14740), (2948, 10565), (3685, 8452), (4226, 7370)]