2012031980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{756403}}^1$

素因数の和:756438

約数の個数: 48

約数和(自身を含む): 5083034880

約数和(自身を除く): 3071002900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 756403, 1512806, 3025612, 3782015, 5294821, 7564030, 10589642, 14371657, 15128060, 21179284, 26474105, 28743314, 52948210, 57486628, 71858285, 100601599, 105896420, 143716570, 201203198, 287433140, 402406396, 503007995, 1006015990, 2012031980]

約数ペア:

[(1, 2012031980), (2, 1006015990), (4, 503007995), (5, 402406396), (7, 287433140), (10, 201203198), (14, 143716570), (19, 105896420), (20, 100601599), (28, 71858285), (35, 57486628), (38, 52948210), (70, 28743314), (76, 26474105), (95, 21179284), (133, 15128060), (140, 14371657), (190, 10589642), (266, 7564030), (380, 5294821), (532, 3782015), (665, 3025612), (1330, 1512806), (2660, 756403)]