78810860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1321}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 175455840

約数和(自身を除く): 96644980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 628, 785, 1321, 1570, 2642, 2983, 3140, 5284, 5966, 6605, 11932, 13210, 14915, 25099, 26420, 29830, 50198, 59660, 100396, 125495, 207397, 250990, 414794, 501980, 829588, 1036985, 2073970, 3940543, 4147940, 7881086, 15762172, 19702715, 39405430, 78810860]

約数ペア:

[(1, 78810860), (2, 39405430), (4, 19702715), (5, 15762172), (10, 7881086), (19, 4147940), (20, 3940543), (38, 2073970), (76, 1036985), (95, 829588), (157, 501980), (190, 414794), (314, 250990), (380, 207397), (628, 125495), (785, 100396), (1321, 59660), (1570, 50198), (2642, 29830), (2983, 26420), (3140, 25099), (5284, 14915), (5966, 13210), (6605, 11932)]