8041590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 21060000

約数和(自身を除く): 13018410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 449, 597, 898, 995, 1194, 1347, 1791, 1990, 2245, 2694, 2985, 3582, 4041, 4490, 5970, 6735, 8082, 8955, 13470, 17910, 20205, 40410, 89351, 178702, 268053, 446755, 536106, 804159, 893510, 1340265, 1608318, 2680530, 4020795, 8041590]

約数ペア:

[(1, 8041590), (2, 4020795), (3, 2680530), (5, 1608318), (6, 1340265), (9, 893510), (10, 804159), (15, 536106), (18, 446755), (30, 268053), (45, 178702), (90, 89351), (199, 40410), (398, 20205), (449, 17910), (597, 13470), (898, 8955), (995, 8082), (1194, 6735), (1347, 5970), (1791, 4490), (1990, 4041), (2245, 3582), (2694, 2985)]