28736680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3539}}^1$

素因数の和:3586

約数の個数: 64

約数和(自身を含む): 76464000

約数和(自身を除く): 47727320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3539, 4060, 7078, 8120, 14156, 17695, 24773, 28312, 35390, 49546, 70780, 99092, 102631, 123865, 141560, 198184, 205262, 247730, 410524, 495460, 513155, 718417, 821048, 990920, 1026310, 1436834, 2052620, 2873668, 3592085, 4105240, 5747336, 7184170, 14368340, 28736680]

約数ペア:

[(1, 28736680), (2, 14368340), (4, 7184170), (5, 5747336), (7, 4105240), (8, 3592085), (10, 2873668), (14, 2052620), (20, 1436834), (28, 1026310), (29, 990920), (35, 821048), (40, 718417), (56, 513155), (58, 495460), (70, 410524), (116, 247730), (140, 205262), (145, 198184), (203, 141560), (232, 123865), (280, 102631), (290, 99092), (406, 70780), (580, 49546), (812, 35390), (1015, 28312), (1160, 24773), (1624, 17695), (2030, 14156), (3539, 8120), (4060, 7078)]