8782060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 21268800

約数和(自身を除く): 12486740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 421, 596, 745, 842, 1043, 1490, 1684, 2086, 2105, 2947, 2980, 4172, 4210, 5215, 5894, 8420, 10430, 11788, 14735, 20860, 29470, 58940, 62729, 125458, 250916, 313645, 439103, 627290, 878206, 1254580, 1756412, 2195515, 4391030, 8782060]

約数ペア:

[(1, 8782060), (2, 4391030), (4, 2195515), (5, 1756412), (7, 1254580), (10, 878206), (14, 627290), (20, 439103), (28, 313645), (35, 250916), (70, 125458), (140, 62729), (149, 58940), (298, 29470), (421, 20860), (596, 14735), (745, 11788), (842, 10430), (1043, 8420), (1490, 5894), (1684, 5215), (2086, 4210), (2105, 4172), (2947, 2980)]