1303566820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{4079}}^1$

素因数の和:4165

約数の個数: 72

約数和(自身を含む): 2985091200

約数和(自身を除く): 1681524380

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 841, 1102, 1682, 2204, 2755, 3364, 4079, 4205, 5510, 8158, 8410, 11020, 15979, 16316, 16820, 20395, 31958, 40790, 63916, 77501, 79895, 81580, 118291, 155002, 159790, 236582, 310004, 319580, 387505, 473164, 591455, 775010, 1182910, 1550020, 2247529, 2365820, 3430439, 4495058, 6860878, 8990116, 11237645, 13721756, 17152195, 22475290, 34304390, 44950580, 65178341, 68608780, 130356682, 260713364, 325891705, 651783410, 1303566820]

約数ペア:

[(1, 1303566820), (2, 651783410), (4, 325891705), (5, 260713364), (10, 130356682), (19, 68608780), (20, 65178341), (29, 44950580), (38, 34304390), (58, 22475290), (76, 17152195), (95, 13721756), (116, 11237645), (145, 8990116), (190, 6860878), (290, 4495058), (380, 3430439), (551, 2365820), (580, 2247529), (841, 1550020), (1102, 1182910), (1682, 775010), (2204, 591455), (2755, 473164), (3364, 387505), (4079, 319580), (4205, 310004), (5510, 236582), (8158, 159790), (8410, 155002), (11020, 118291), (15979, 81580), (16316, 79895), (16820, 77501), (20395, 63916), (31958, 40790)]