8724940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 22120560

約数和(自身を除く): 13395620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 307, 406, 490, 580, 614, 812, 980, 1015, 1228, 1421, 1535, 2030, 2149, 2842, 3070, 4060, 4298, 5684, 6140, 7105, 8596, 8903, 10745, 14210, 15043, 17806, 21490, 28420, 30086, 35612, 42980, 44515, 60172, 62321, 75215, 89030, 124642, 150430, 178060, 249284, 300860, 311605, 436247, 623210, 872494, 1246420, 1744988, 2181235, 4362470, 8724940]

約数ペア:

[(1, 8724940), (2, 4362470), (4, 2181235), (5, 1744988), (7, 1246420), (10, 872494), (14, 623210), (20, 436247), (28, 311605), (29, 300860), (35, 249284), (49, 178060), (58, 150430), (70, 124642), (98, 89030), (116, 75215), (140, 62321), (145, 60172), (196, 44515), (203, 42980), (245, 35612), (290, 30086), (307, 28420), (406, 21490), (490, 17806), (580, 15043), (614, 14210), (812, 10745), (980, 8903), (1015, 8596), (1228, 7105), (1421, 6140), (1535, 5684), (2030, 4298), (2149, 4060), (2842, 3070)]