39571420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 97675200

約数和(自身を除く): 58103780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 271, 298, 490, 542, 596, 745, 980, 1043, 1084, 1355, 1490, 1897, 2086, 2710, 2980, 3794, 4172, 5215, 5420, 7301, 7588, 9485, 10430, 13279, 14602, 18970, 20860, 26558, 29204, 36505, 37940, 40379, 53116, 66395, 73010, 80758, 132790, 146020, 161516, 201895, 265580, 282653, 403790, 565306, 807580, 1130612, 1413265, 1978571, 2826530, 3957142, 5653060, 7914284, 9892855, 19785710, 39571420]

約数ペア:

[(1, 39571420), (2, 19785710), (4, 9892855), (5, 7914284), (7, 5653060), (10, 3957142), (14, 2826530), (20, 1978571), (28, 1413265), (35, 1130612), (49, 807580), (70, 565306), (98, 403790), (140, 282653), (149, 265580), (196, 201895), (245, 161516), (271, 146020), (298, 132790), (490, 80758), (542, 73010), (596, 66395), (745, 53116), (980, 40379), (1043, 37940), (1084, 36505), (1355, 29204), (1490, 26558), (1897, 20860), (2086, 18970), (2710, 14602), (2980, 13279), (3794, 10430), (4172, 9485), (5215, 7588), (5420, 7301)]