3123820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 7656768

約数和(自身を除く): 4532948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 421, 530, 742, 842, 1060, 1484, 1684, 1855, 2105, 2947, 3710, 4210, 5894, 7420, 8420, 11788, 14735, 22313, 29470, 44626, 58940, 89252, 111565, 156191, 223130, 312382, 446260, 624764, 780955, 1561910, 3123820]

約数ペア:

[(1, 3123820), (2, 1561910), (4, 780955), (5, 624764), (7, 446260), (10, 312382), (14, 223130), (20, 156191), (28, 111565), (35, 89252), (53, 58940), (70, 44626), (106, 29470), (140, 22313), (212, 14735), (265, 11788), (371, 8420), (421, 7420), (530, 5894), (742, 4210), (842, 3710), (1060, 2947), (1484, 2105), (1684, 1855)]