289738240

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10289}}^1$

素因数の和:10323

約数の個数: 80

約数和(自身を含む): 757920240

約数和(自身を除く): 468182000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2816, 3520, 5632, 7040, 10289, 14080, 20578, 28160, 41156, 51445, 82312, 102890, 113179, 164624, 205780, 226358, 329248, 411560, 452716, 565895, 658496, 823120, 905432, 1131790, 1316992, 1646240, 1810864, 2263580, 2633984, 3292480, 3621728, 4527160, 5267968, 6584960, 7243456, 9054320, 13169920, 14486912, 18108640, 26339840, 28973824, 36217280, 57947648, 72434560, 144869120, 289738240]

約数ペア:

[(1, 289738240), (2, 144869120), (4, 72434560), (5, 57947648), (8, 36217280), (10, 28973824), (11, 26339840), (16, 18108640), (20, 14486912), (22, 13169920), (32, 9054320), (40, 7243456), (44, 6584960), (55, 5267968), (64, 4527160), (80, 3621728), (88, 3292480), (110, 2633984), (128, 2263580), (160, 1810864), (176, 1646240), (220, 1316992), (256, 1131790), (320, 905432), (352, 823120), (440, 658496), (512, 565895), (640, 452716), (704, 411560), (880, 329248), (1280, 226358), (1408, 205780), (1760, 164624), (2560, 113179), (2816, 102890), (3520, 82312), (5632, 51445), (7040, 41156), (10289, 28160), (14080, 20578)]