31041020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 68191200

約数和(自身を除く): 37150180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 290, 436, 491, 545, 580, 982, 1090, 1964, 2180, 2455, 3161, 4910, 6322, 9820, 12644, 14239, 15805, 28478, 31610, 53519, 56956, 63220, 71195, 107038, 142390, 214076, 267595, 284780, 535190, 1070380, 1552051, 3104102, 6208204, 7760255, 15520510, 31041020]

約数ペア:

[(1, 31041020), (2, 15520510), (4, 7760255), (5, 6208204), (10, 3104102), (20, 1552051), (29, 1070380), (58, 535190), (109, 284780), (116, 267595), (145, 214076), (218, 142390), (290, 107038), (436, 71195), (491, 63220), (545, 56956), (580, 53519), (982, 31610), (1090, 28478), (1964, 15805), (2180, 14239), (2455, 12644), (3161, 9820), (4910, 6322)]