200718140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^2\times {\mathrm{181}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 489888672

約数和(自身を除く): 289170532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 181, 356, 362, 445, 623, 724, 890, 905, 1246, 1267, 1780, 1810, 2492, 2534, 3115, 3620, 5068, 6230, 6335, 7921, 12460, 12670, 15842, 16109, 25340, 31684, 32218, 39605, 55447, 64436, 79210, 80545, 110894, 112763, 158420, 161090, 221788, 225526, 277235, 322180, 451052, 554470, 563815, 1108940, 1127630, 1433701, 2255260, 2867402, 5734804, 7168505, 10035907, 14337010, 20071814, 28674020, 40143628, 50179535, 100359070, 200718140]

約数ペア:

[(1, 200718140), (2, 100359070), (4, 50179535), (5, 40143628), (7, 28674020), (10, 20071814), (14, 14337010), (20, 10035907), (28, 7168505), (35, 5734804), (70, 2867402), (89, 2255260), (140, 1433701), (178, 1127630), (181, 1108940), (356, 563815), (362, 554470), (445, 451052), (623, 322180), (724, 277235), (890, 225526), (905, 221788), (1246, 161090), (1267, 158420), (1780, 112763), (1810, 110894), (2492, 80545), (2534, 79210), (3115, 64436), (3620, 55447), (5068, 39605), (6230, 32218), (6335, 31684), (7921, 25340), (12460, 16109), (12670, 15842)]