890472590

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{2917}}^1$

素因数の和:3034

約数の個数: 64

約数和(自身を含む): 1890864000

約数和(自身を除く): 1000391410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 343, 445, 490, 623, 686, 890, 1246, 1715, 2917, 3115, 3430, 4361, 5834, 6230, 8722, 14585, 20419, 21805, 29170, 30527, 40838, 43610, 61054, 102095, 142933, 152635, 204190, 259613, 285866, 305270, 519226, 714665, 1000531, 1298065, 1429330, 1817291, 2001062, 2596130, 3634582, 5002655, 9086455, 10005310, 12721037, 18172910, 25442074, 63605185, 89047259, 127210370, 178094518, 445236295, 890472590]

約数ペア:

[(1, 890472590), (2, 445236295), (5, 178094518), (7, 127210370), (10, 89047259), (14, 63605185), (35, 25442074), (49, 18172910), (70, 12721037), (89, 10005310), (98, 9086455), (178, 5002655), (245, 3634582), (343, 2596130), (445, 2001062), (490, 1817291), (623, 1429330), (686, 1298065), (890, 1000531), (1246, 714665), (1715, 519226), (2917, 305270), (3115, 285866), (3430, 259613), (4361, 204190), (5834, 152635), (6230, 142933), (8722, 102095), (14585, 61054), (20419, 43610), (21805, 40838), (29170, 30527)]