201921650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1129}}^1$

素因数の和:1228

約数の個数: 72

約数和(自身を含む): 443269620

約数和(自身を除く): 241347970

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 73, 98, 146, 175, 245, 350, 365, 490, 511, 730, 1022, 1129, 1225, 1825, 2258, 2450, 2555, 3577, 3650, 5110, 5645, 7154, 7903, 11290, 12775, 15806, 17885, 25550, 28225, 35770, 39515, 55321, 56450, 79030, 82417, 89425, 110642, 164834, 178850, 197575, 276605, 395150, 412085, 553210, 576919, 824170, 1153838, 1383025, 2060425, 2766050, 2884595, 4038433, 4120850, 5769190, 8076866, 14422975, 20192165, 28845950, 40384330, 100960825, 201921650]

約数ペア:

[(1, 201921650), (2, 100960825), (5, 40384330), (7, 28845950), (10, 20192165), (14, 14422975), (25, 8076866), (35, 5769190), (49, 4120850), (50, 4038433), (70, 2884595), (73, 2766050), (98, 2060425), (146, 1383025), (175, 1153838), (245, 824170), (350, 576919), (365, 553210), (490, 412085), (511, 395150), (730, 276605), (1022, 197575), (1129, 178850), (1225, 164834), (1825, 110642), (2258, 89425), (2450, 82417), (2555, 79030), (3577, 56450), (3650, 55321), (5110, 39515), (5645, 35770), (7154, 28225), (7903, 25550), (11290, 17885), (12775, 15806)]