631036700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1447}}^1$

素因数の和:1564

約数の個数: 108

約数和(自身を含む): 1611928080

約数和(自身を除く): 980891380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 89, 98, 100, 140, 175, 178, 196, 245, 350, 356, 445, 490, 623, 700, 890, 980, 1225, 1246, 1447, 1780, 2225, 2450, 2492, 2894, 3115, 4361, 4450, 4900, 5788, 6230, 7235, 8722, 8900, 10129, 12460, 14470, 15575, 17444, 20258, 21805, 28940, 31150, 36175, 40516, 43610, 50645, 62300, 70903, 72350, 87220, 101290, 109025, 128783, 141806, 144700, 202580, 218050, 253225, 257566, 283612, 354515, 436100, 506450, 515132, 643915, 709030, 901481, 1012900, 1287830, 1418060, 1772575, 1802962, 2575660, 3219575, 3545150, 3605924, 4507405, 6310367, 6439150, 7090300, 9014810, 12620734, 12878300, 18029620, 22537025, 25241468, 31551835, 45074050, 63103670, 90148100, 126207340, 157759175, 315518350, 631036700]

約数ペア:

[(1, 631036700), (2, 315518350), (4, 157759175), (5, 126207340), (7, 90148100), (10, 63103670), (14, 45074050), (20, 31551835), (25, 25241468), (28, 22537025), (35, 18029620), (49, 12878300), (50, 12620734), (70, 9014810), (89, 7090300), (98, 6439150), (100, 6310367), (140, 4507405), (175, 3605924), (178, 3545150), (196, 3219575), (245, 2575660), (350, 1802962), (356, 1772575), (445, 1418060), (490, 1287830), (623, 1012900), (700, 901481), (890, 709030), (980, 643915), (1225, 515132), (1246, 506450), (1447, 436100), (1780, 354515), (2225, 283612), (2450, 257566), (2492, 253225), (2894, 218050), (3115, 202580), (4361, 144700), (4450, 141806), (4900, 128783), (5788, 109025), (6230, 101290), (7235, 87220), (8722, 72350), (8900, 70903), (10129, 62300), (12460, 50645), (14470, 43610), (15575, 40516), (17444, 36175), (20258, 31150), (21805, 28940)]