2808390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 7660800

約数和(自身を除く): 4852410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 379, 390, 494, 570, 741, 758, 1137, 1235, 1482, 1895, 2274, 2470, 3705, 3790, 4927, 5685, 7201, 7410, 9854, 11370, 14402, 14781, 21603, 24635, 29562, 36005, 43206, 49270, 72010, 73905, 93613, 108015, 147810, 187226, 216030, 280839, 468065, 561678, 936130, 1404195, 2808390]

約数ペア:

[(1, 2808390), (2, 1404195), (3, 936130), (5, 561678), (6, 468065), (10, 280839), (13, 216030), (15, 187226), (19, 147810), (26, 108015), (30, 93613), (38, 73905), (39, 72010), (57, 49270), (65, 43206), (78, 36005), (95, 29562), (114, 24635), (130, 21603), (190, 14781), (195, 14402), (247, 11370), (285, 9854), (379, 7410), (390, 7201), (494, 5685), (570, 4927), (741, 3790), (758, 3705), (1137, 2470), (1235, 2274), (1482, 1895)]