2113172875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1813

約数の個数: 64

約数和(自身を含む): 3094640640

約数和(自身を除く): 981467765

約数列:

[1, 5, 11, 19, 25, 47, 55, 95, 125, 209, 235, 275, 475, 517, 893, 1045, 1175, 1375, 1721, 2375, 2585, 4465, 5225, 5875, 8605, 9823, 12925, 18931, 22325, 26125, 32699, 43025, 49115, 64625, 80887, 94655, 111625, 163495, 215125, 245575, 359689, 404435, 473275, 817475, 889757, 1227875, 1536853, 1798445, 2022175, 2366375, 4087375, 4448785, 7684265, 8992225, 10110875, 16905383, 22243925, 38421325, 44961125, 84526915, 111219625, 192106625, 422634575, 2113172875]

約数ペア:

[(1, 2113172875), (5, 422634575), (11, 192106625), (19, 111219625), (25, 84526915), (47, 44961125), (55, 38421325), (95, 22243925), (125, 16905383), (209, 10110875), (235, 8992225), (275, 7684265), (475, 4448785), (517, 4087375), (893, 2366375), (1045, 2022175), (1175, 1798445), (1375, 1536853), (1721, 1227875), (2375, 889757), (2585, 817475), (4465, 473275), (5225, 404435), (5875, 359689), (8605, 245575), (9823, 215125), (12925, 163495), (18931, 111625), (22325, 94655), (26125, 80887), (32699, 64625), (43025, 49115)]