1819289920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{812183}}^1$

素因数の和:812207

約数の個数: 56

約数和(自身を含む): 4951073664

約数和(自身を除く): 3131783744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 812183, 1624366, 3248732, 4060915, 5685281, 6497464, 8121830, 11370562, 12994928, 16243660, 22741124, 25989856, 28426405, 32487320, 45482248, 51979712, 56852810, 64974640, 90964496, 113705620, 129949280, 181928992, 227411240, 259898560, 363857984, 454822480, 909644960, 1819289920]

約数ペア:

[(1, 1819289920), (2, 909644960), (4, 454822480), (5, 363857984), (7, 259898560), (8, 227411240), (10, 181928992), (14, 129949280), (16, 113705620), (20, 90964496), (28, 64974640), (32, 56852810), (35, 51979712), (40, 45482248), (56, 32487320), (64, 28426405), (70, 25989856), (80, 22741124), (112, 16243660), (140, 12994928), (160, 11370562), (224, 8121830), (280, 6497464), (320, 5685281), (448, 4060915), (560, 3248732), (1120, 1624366), (2240, 812183)]