17452820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1619}}^1$

素因数の和:1653

約数の個数: 72

約数和(自身を含む): 46539360

約数和(自身を除く): 29086540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 1619, 2156, 2695, 3238, 5390, 6476, 8095, 10780, 11333, 16190, 17809, 22666, 32380, 35618, 45332, 56665, 71236, 79331, 89045, 113330, 124663, 158662, 178090, 226660, 249326, 317324, 356180, 396655, 498652, 623315, 793310, 872641, 1246630, 1586620, 1745282, 2493260, 3490564, 4363205, 8726410, 17452820]

約数ペア:

[(1, 17452820), (2, 8726410), (4, 4363205), (5, 3490564), (7, 2493260), (10, 1745282), (11, 1586620), (14, 1246630), (20, 872641), (22, 793310), (28, 623315), (35, 498652), (44, 396655), (49, 356180), (55, 317324), (70, 249326), (77, 226660), (98, 178090), (110, 158662), (140, 124663), (154, 113330), (196, 89045), (220, 79331), (245, 71236), (308, 56665), (385, 45332), (490, 35618), (539, 32380), (770, 22666), (980, 17809), (1078, 16190), (1540, 11333), (1619, 10780), (2156, 8095), (2695, 6476), (3238, 5390)]