121931320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{983}}^1$

素因数の和:1444

約数の個数: 64

約数和(自身を含む): 314565120

約数和(自身を除く): 192633800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 443, 886, 983, 1772, 1966, 2215, 3101, 3544, 3932, 4430, 4915, 6202, 6881, 7864, 8860, 9830, 12404, 13762, 15505, 17720, 19660, 24808, 27524, 31010, 34405, 39320, 55048, 62020, 68810, 124040, 137620, 275240, 435469, 870938, 1741876, 2177345, 3048283, 3483752, 4354690, 6096566, 8709380, 12193132, 15241415, 17418760, 24386264, 30482830, 60965660, 121931320]

約数ペア:

[(1, 121931320), (2, 60965660), (4, 30482830), (5, 24386264), (7, 17418760), (8, 15241415), (10, 12193132), (14, 8709380), (20, 6096566), (28, 4354690), (35, 3483752), (40, 3048283), (56, 2177345), (70, 1741876), (140, 870938), (280, 435469), (443, 275240), (886, 137620), (983, 124040), (1772, 68810), (1966, 62020), (2215, 55048), (3101, 39320), (3544, 34405), (3932, 31010), (4430, 27524), (4915, 24808), (6202, 19660), (6881, 17720), (7864, 15505), (8860, 13762), (9830, 12404)]