31437740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{809}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 69400800

約数和(自身を除く): 37963060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 335, 580, 670, 809, 1340, 1618, 1943, 3236, 3886, 4045, 7772, 8090, 9715, 16180, 19430, 23461, 38860, 46922, 54203, 93844, 108406, 117305, 216812, 234610, 271015, 469220, 542030, 1084060, 1571887, 3143774, 6287548, 7859435, 15718870, 31437740]

約数ペア:

[(1, 31437740), (2, 15718870), (4, 7859435), (5, 6287548), (10, 3143774), (20, 1571887), (29, 1084060), (58, 542030), (67, 469220), (116, 271015), (134, 234610), (145, 216812), (268, 117305), (290, 108406), (335, 93844), (580, 54203), (670, 46922), (809, 38860), (1340, 23461), (1618, 19430), (1943, 16180), (3236, 9715), (3886, 8090), (4045, 7772)]