74869620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{178261}}^1$

素因数の和:178280

約数の個数: 48

約数和(自身を含む): 239584128

約数和(自身を除く): 164714508

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, 178261, 356522, 534783, 713044, 891305, 1069566, 1247827, 1782610, 2139132, 2495654, 2673915, 3565220, 3743481, 4991308, 5347830, 6239135, 7486962, 10695660, 12478270, 14973924, 18717405, 24956540, 37434810, 74869620]

約数ペア:

[(1, 74869620), (2, 37434810), (3, 24956540), (4, 18717405), (5, 14973924), (6, 12478270), (7, 10695660), (10, 7486962), (12, 6239135), (14, 5347830), (15, 4991308), (20, 3743481), (21, 3565220), (28, 2673915), (30, 2495654), (35, 2139132), (42, 1782610), (60, 1247827), (70, 1069566), (84, 891305), (105, 713044), (140, 534783), (210, 356522), (420, 178261)]