201647300

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 448408800

約数和(自身を除く): 246761500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 139, 163, 178, 278, 326, 356, 445, 556, 652, 695, 815, 890, 1390, 1630, 1780, 2225, 2780, 3260, 3475, 4075, 4450, 6950, 8150, 8900, 12371, 13900, 14507, 16300, 22657, 24742, 29014, 45314, 49484, 58028, 61855, 72535, 90628, 113285, 123710, 145070, 226570, 247420, 290140, 309275, 362675, 453140, 566425, 618550, 725350, 1132850, 1237100, 1450700, 2016473, 2265700, 4032946, 8065892, 10082365, 20164730, 40329460, 50411825, 100823650, 201647300]

約数ペア:

[(1, 201647300), (2, 100823650), (4, 50411825), (5, 40329460), (10, 20164730), (20, 10082365), (25, 8065892), (50, 4032946), (89, 2265700), (100, 2016473), (139, 1450700), (163, 1237100), (178, 1132850), (278, 725350), (326, 618550), (356, 566425), (445, 453140), (556, 362675), (652, 309275), (695, 290140), (815, 247420), (890, 226570), (1390, 145070), (1630, 123710), (1780, 113285), (2225, 90628), (2780, 72535), (3260, 61855), (3475, 58028), (4075, 49484), (4450, 45314), (6950, 29014), (8150, 24742), (8900, 22657), (12371, 16300), (13900, 14507)]