31137580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1223}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 69914880

約数和(自身を除く): 38777300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1223, 1273, 1340, 2446, 2546, 4892, 5092, 6115, 6365, 12230, 12730, 23237, 24460, 25460, 46474, 81941, 92948, 116185, 163882, 232370, 327764, 409705, 464740, 819410, 1556879, 1638820, 3113758, 6227516, 7784395, 15568790, 31137580]

約数ペア:

[(1, 31137580), (2, 15568790), (4, 7784395), (5, 6227516), (10, 3113758), (19, 1638820), (20, 1556879), (38, 819410), (67, 464740), (76, 409705), (95, 327764), (134, 232370), (190, 163882), (268, 116185), (335, 92948), (380, 81941), (670, 46474), (1223, 25460), (1273, 24460), (1340, 23237), (2446, 12730), (2546, 12230), (4892, 6365), (5092, 6115)]