201620646580

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1\times {\mathrm{287939}}^1$

素因数の和:288328

約数の個数: 48

約数和(自身を含む): 428012444160

約数和(自身を除く): 226391797580

約数列:

[1, 2, 4, 5, 10, 20, 157, 223, 314, 446, 628, 785, 892, 1115, 1570, 2230, 3140, 4460, 35011, 70022, 140044, 175055, 287939, 350110, 575878, 700220, 1151756, 1439695, 2879390, 5758780, 45206423, 64210397, 90412846, 128420794, 180825692, 226032115, 256841588, 321051985, 452064230, 642103970, 904128460, 1284207940, 10081032329, 20162064658, 40324129316, 50405161645, 100810323290, 201620646580]

約数ペア:

[(1, 201620646580), (2, 100810323290), (4, 50405161645), (5, 40324129316), (10, 20162064658), (20, 10081032329), (157, 1284207940), (223, 904128460), (314, 642103970), (446, 452064230), (628, 321051985), (785, 256841588), (892, 226032115), (1115, 180825692), (1570, 128420794), (2230, 90412846), (3140, 64210397), (4460, 45206423), (35011, 5758780), (70022, 2879390), (140044, 1439695), (175055, 1151756), (287939, 700220), (350110, 575878)]