489304880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{359783}}^1$

素因数の和:359813

約数の個数: 40

約数和(自身を含む): 1204556832

約数和(自身を除く): 715251952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 359783, 719566, 1439132, 1798915, 2878264, 3597830, 5756528, 6116311, 7195660, 12232622, 14391320, 24465244, 28782640, 30581555, 48930488, 61163110, 97860976, 122326220, 244652440, 489304880]

約数ペア:

[(1, 489304880), (2, 244652440), (4, 122326220), (5, 97860976), (8, 61163110), (10, 48930488), (16, 30581555), (17, 28782640), (20, 24465244), (34, 14391320), (40, 12232622), (68, 7195660), (80, 6116311), (85, 5756528), (136, 3597830), (170, 2878264), (272, 1798915), (340, 1439132), (680, 719566), (1360, 359783)]