1900397720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{15959}}^1$

素因数の和:16212

約数の個数: 64

約数和(自身を含む): 4625208000

約数和(自身を除く): 2724810280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 229, 260, 458, 520, 916, 1145, 1832, 2290, 2977, 4580, 5954, 9160, 11908, 14885, 15959, 23816, 29770, 31918, 59540, 63836, 79795, 119080, 127672, 159590, 207467, 319180, 414934, 638360, 829868, 1037335, 1659736, 2074670, 3654611, 4149340, 7309222, 8298680, 14618444, 18273055, 29236888, 36546110, 47509943, 73092220, 95019886, 146184440, 190039772, 237549715, 380079544, 475099430, 950198860, 1900397720]

約数ペア:

[(1, 1900397720), (2, 950198860), (4, 475099430), (5, 380079544), (8, 237549715), (10, 190039772), (13, 146184440), (20, 95019886), (26, 73092220), (40, 47509943), (52, 36546110), (65, 29236888), (104, 18273055), (130, 14618444), (229, 8298680), (260, 7309222), (458, 4149340), (520, 3654611), (916, 2074670), (1145, 1659736), (1832, 1037335), (2290, 829868), (2977, 638360), (4580, 414934), (5954, 319180), (9160, 207467), (11908, 159590), (14885, 127672), (15959, 119080), (23816, 79795), (29770, 63836), (31918, 59540)]