208806220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 517321728

約数和(自身を除く): 308515508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 107, 140, 212, 214, 263, 265, 371, 428, 526, 530, 535, 742, 749, 1052, 1060, 1070, 1315, 1484, 1498, 1841, 1855, 2140, 2630, 2996, 3682, 3710, 3745, 5260, 5671, 7364, 7420, 7490, 9205, 11342, 13939, 14980, 18410, 22684, 27878, 28141, 28355, 36820, 39697, 55756, 56282, 56710, 69695, 79394, 97573, 112564, 113420, 139390, 140705, 158788, 195146, 196987, 198485, 278780, 281410, 390292, 393974, 396970, 487865, 562820, 787948, 793940, 975730, 984935, 1491473, 1951460, 1969870, 2982946, 3939740, 5965892, 7457365, 10440311, 14914730, 20880622, 29829460, 41761244, 52201555, 104403110, 208806220]

約数ペア:

[(1, 208806220), (2, 104403110), (4, 52201555), (5, 41761244), (7, 29829460), (10, 20880622), (14, 14914730), (20, 10440311), (28, 7457365), (35, 5965892), (53, 3939740), (70, 2982946), (106, 1969870), (107, 1951460), (140, 1491473), (212, 984935), (214, 975730), (263, 793940), (265, 787948), (371, 562820), (428, 487865), (526, 396970), (530, 393974), (535, 390292), (742, 281410), (749, 278780), (1052, 198485), (1060, 196987), (1070, 195146), (1315, 158788), (1484, 140705), (1498, 139390), (1841, 113420), (1855, 112564), (2140, 97573), (2630, 79394), (2996, 69695), (3682, 56710), (3710, 56282), (3745, 55756), (5260, 39697), (5671, 36820), (7364, 28355), (7420, 28141), (7490, 27878), (9205, 22684), (11342, 18410), (13939, 14980)]