1008057940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1\times {\mathrm{911}}^1$

素因数の和:1888

約数の個数: 48

約数和(自身を含む): 2156361984

約数和(自身を除く): 1148304044

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 907, 911, 1220, 1814, 1822, 3628, 3644, 4535, 4555, 9070, 9110, 18140, 18220, 55327, 55571, 110654, 111142, 221308, 222284, 276635, 277855, 553270, 555710, 826277, 1106540, 1111420, 1652554, 3305108, 4131385, 8262770, 16525540, 50402897, 100805794, 201611588, 252014485, 504028970, 1008057940]

約数ペア:

[(1, 1008057940), (2, 504028970), (4, 252014485), (5, 201611588), (10, 100805794), (20, 50402897), (61, 16525540), (122, 8262770), (244, 4131385), (305, 3305108), (610, 1652554), (907, 1111420), (911, 1106540), (1220, 826277), (1814, 555710), (1822, 553270), (3628, 277855), (3644, 276635), (4535, 222284), (4555, 221308), (9070, 111142), (9110, 110654), (18140, 55571), (18220, 55327)]