201984820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31267}}^1$

素因数の和:31312

約数の個数: 48

約数和(自身を含む): 472772160

約数和(自身を除く): 270787340

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 31267, 62534, 125068, 156335, 312670, 531539, 594073, 625340, 1063078, 1188146, 2126156, 2376292, 2657695, 2970365, 5315390, 5940730, 10099241, 10630780, 11881460, 20198482, 40396964, 50496205, 100992410, 201984820]

約数ペア:

[(1, 201984820), (2, 100992410), (4, 50496205), (5, 40396964), (10, 20198482), (17, 11881460), (19, 10630780), (20, 10099241), (34, 5940730), (38, 5315390), (68, 2970365), (76, 2657695), (85, 2376292), (95, 2126156), (170, 1188146), (190, 1063078), (323, 625340), (340, 594073), (380, 531539), (646, 312670), (1292, 156335), (1615, 125068), (3230, 62534), (6460, 31267)]