219700880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1069}}^1$

素因数の和:1456

約数の個数: 80

約数和(自身を含む): 585914880

約数和(自身を除く): 366214000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 367, 560, 734, 1069, 1468, 1835, 2138, 2569, 2936, 3670, 4276, 5138, 5345, 5872, 7340, 7483, 8552, 10276, 10690, 12845, 14680, 14966, 17104, 20552, 21380, 25690, 29360, 29932, 37415, 41104, 42760, 51380, 59864, 74830, 85520, 102760, 119728, 149660, 205520, 299320, 392323, 598640, 784646, 1569292, 1961615, 2746261, 3138584, 3923230, 5492522, 6277168, 7846460, 10985044, 13731305, 15692920, 21970088, 27462610, 31385840, 43940176, 54925220, 109850440, 219700880]

約数ペア:

[(1, 219700880), (2, 109850440), (4, 54925220), (5, 43940176), (7, 31385840), (8, 27462610), (10, 21970088), (14, 15692920), (16, 13731305), (20, 10985044), (28, 7846460), (35, 6277168), (40, 5492522), (56, 3923230), (70, 3138584), (80, 2746261), (112, 1961615), (140, 1569292), (280, 784646), (367, 598640), (560, 392323), (734, 299320), (1069, 205520), (1468, 149660), (1835, 119728), (2138, 102760), (2569, 85520), (2936, 74830), (3670, 59864), (4276, 51380), (5138, 42760), (5345, 41104), (5872, 37415), (7340, 29932), (7483, 29360), (8552, 25690), (10276, 21380), (10690, 20552), (12845, 17104), (14680, 14966)]