1490272880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{642359}}^1$

素因数の和:642401

約数の個数: 40

約数和(自身を含む): 3584368800

約数和(自身を除く): 2094095920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 642359, 1284718, 2569436, 3211795, 5138872, 6423590, 10277744, 12847180, 18628411, 25694360, 37256822, 51388720, 74513644, 93142055, 149027288, 186284110, 298054576, 372568220, 745136440, 1490272880]

約数ペア:

[(1, 1490272880), (2, 745136440), (4, 372568220), (5, 298054576), (8, 186284110), (10, 149027288), (16, 93142055), (20, 74513644), (29, 51388720), (40, 37256822), (58, 25694360), (80, 18628411), (116, 12847180), (145, 10277744), (232, 6423590), (290, 5138872), (464, 3211795), (580, 2569436), (1160, 1284718), (2320, 642359)]