2017238125

素因数分解:

$5^4\times 7^2\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:564

約数の個数: 60

約数和(自身を含む): 2955928800

約数和(自身を除く): 938690675

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 199, 245, 331, 625, 875, 995, 1225, 1393, 1655, 2317, 4375, 4975, 6125, 6965, 8275, 9751, 11585, 16219, 24875, 30625, 34825, 41375, 48755, 57925, 65869, 81095, 124375, 174125, 206875, 243775, 289625, 329345, 405475, 461083, 870625, 1218875, 1448125, 1646725, 2027375, 2305415, 3227581, 6094375, 8233625, 10136875, 11527075, 16137905, 41168125, 57635375, 80689525, 288176875, 403447625, 2017238125]

約数ペア:

[(1, 2017238125), (5, 403447625), (7, 288176875), (25, 80689525), (35, 57635375), (49, 41168125), (125, 16137905), (175, 11527075), (199, 10136875), (245, 8233625), (331, 6094375), (625, 3227581), (875, 2305415), (995, 2027375), (1225, 1646725), (1393, 1448125), (1655, 1218875), (2317, 870625), (4375, 461083), (4975, 405475), (6125, 329345), (6965, 289625), (8275, 243775), (9751, 206875), (11585, 174125), (16219, 124375), (24875, 81095), (30625, 65869), (34825, 57925), (41375, 48755)]