440557280

素因数分解:

$2^5\times 5^1\times {\mathrm{307}}^1\times {\mathrm{8969}}^1$

素因数の和:9291

約数の個数: 48

約数和(自身を含む): 1044323280

約数和(自身を除く): 603766000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 307, 614, 1228, 1535, 2456, 3070, 4912, 6140, 8969, 9824, 12280, 17938, 24560, 35876, 44845, 49120, 71752, 89690, 143504, 179380, 287008, 358760, 717520, 1435040, 2753483, 5506966, 11013932, 13767415, 22027864, 27534830, 44055728, 55069660, 88111456, 110139320, 220278640, 440557280]

約数ペア:

[(1, 440557280), (2, 220278640), (4, 110139320), (5, 88111456), (8, 55069660), (10, 44055728), (16, 27534830), (20, 22027864), (32, 13767415), (40, 11013932), (80, 5506966), (160, 2753483), (307, 1435040), (614, 717520), (1228, 358760), (1535, 287008), (2456, 179380), (3070, 143504), (4912, 89690), (6140, 71752), (8969, 49120), (9824, 44845), (12280, 35876), (17938, 24560)]