31147340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{859}}^1$

素因数の和:919

約数の個数: 72

約数和(自身を含む): 78235920

約数和(自身を除く): 47088580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 859, 980, 1036, 1295, 1718, 1813, 2590, 3436, 3626, 4295, 5180, 6013, 7252, 8590, 9065, 12026, 17180, 18130, 24052, 30065, 31783, 36260, 42091, 60130, 63566, 84182, 120260, 127132, 158915, 168364, 210455, 222481, 317830, 420910, 444962, 635660, 841820, 889924, 1112405, 1557367, 2224810, 3114734, 4449620, 6229468, 7786835, 15573670, 31147340]

約数ペア:

[(1, 31147340), (2, 15573670), (4, 7786835), (5, 6229468), (7, 4449620), (10, 3114734), (14, 2224810), (20, 1557367), (28, 1112405), (35, 889924), (37, 841820), (49, 635660), (70, 444962), (74, 420910), (98, 317830), (140, 222481), (148, 210455), (185, 168364), (196, 158915), (245, 127132), (259, 120260), (370, 84182), (490, 63566), (518, 60130), (740, 42091), (859, 36260), (980, 31783), (1036, 30065), (1295, 24052), (1718, 18130), (1813, 17180), (2590, 12026), (3436, 9065), (3626, 8590), (4295, 7252), (5180, 6013)]