2008408875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21169}}^1$

素因数の和:21221

約数の個数: 64

約数和(自身を含む): 3804503040

約数和(自身を除く): 1796094165

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 125, 165, 253, 275, 345, 375, 575, 759, 825, 1265, 1375, 1725, 2875, 3795, 4125, 6325, 8625, 18975, 21169, 31625, 63507, 94875, 105845, 232859, 317535, 486887, 529225, 698577, 1164295, 1460661, 1587675, 2434435, 2646125, 3492885, 5355757, 5821475, 7303305, 7938375, 12172175, 16067271, 17464425, 26778785, 29107375, 36516525, 60860875, 80336355, 87322125, 133893925, 182582625, 401681775, 669469625, 2008408875]

約数ペア:

[(1, 2008408875), (3, 669469625), (5, 401681775), (11, 182582625), (15, 133893925), (23, 87322125), (25, 80336355), (33, 60860875), (55, 36516525), (69, 29107375), (75, 26778785), (115, 17464425), (125, 16067271), (165, 12172175), (253, 7938375), (275, 7303305), (345, 5821475), (375, 5355757), (575, 3492885), (759, 2646125), (825, 2434435), (1265, 1587675), (1375, 1460661), (1725, 1164295), (2875, 698577), (3795, 529225), (4125, 486887), (6325, 317535), (8625, 232859), (18975, 105845), (21169, 94875), (31625, 63507)]