2017670650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{44887}}^1$

素因数の和:44959

約数の個数: 48

約数和(自身を含む): 4007600640

約数和(自身を除く): 1989929990

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 290, 310, 725, 775, 899, 1450, 1550, 1798, 4495, 8990, 22475, 44887, 44950, 89774, 224435, 448870, 1122175, 1301723, 1391497, 2244350, 2603446, 2782994, 6508615, 6957485, 13017230, 13914970, 32543075, 34787425, 40353413, 65086150, 69574850, 80706826, 201767065, 403534130, 1008835325, 2017670650]

約数ペア:

[(1, 2017670650), (2, 1008835325), (5, 403534130), (10, 201767065), (25, 80706826), (29, 69574850), (31, 65086150), (50, 40353413), (58, 34787425), (62, 32543075), (145, 13914970), (155, 13017230), (290, 6957485), (310, 6508615), (725, 2782994), (775, 2603446), (899, 2244350), (1450, 1391497), (1550, 1301723), (1798, 1122175), (4495, 448870), (8990, 224435), (22475, 89774), (44887, 44950)]