404704020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{963581}}^1$

素因数の和:963600

約数の個数: 48

約数和(自身を含む): 1295054208

約数和(自身を除く): 890350188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 963581, 1927162, 2890743, 3854324, 4817905, 5781486, 6745067, 9635810, 11562972, 13490134, 14453715, 19271620, 20235201, 26980268, 28907430, 33725335, 40470402, 57814860, 67450670, 80940804, 101176005, 134901340, 202352010, 404704020]

約数ペア:

[(1, 404704020), (2, 202352010), (3, 134901340), (4, 101176005), (5, 80940804), (6, 67450670), (7, 57814860), (10, 40470402), (12, 33725335), (14, 28907430), (15, 26980268), (20, 20235201), (21, 19271620), (28, 14453715), (30, 13490134), (35, 11562972), (42, 9635810), (60, 6745067), (70, 5781486), (84, 4817905), (105, 3854324), (140, 2890743), (210, 1927162), (420, 963581)]