28850940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5527}}^1$

素因数の和:5571

約数の個数: 72

約数和(自身を含む): 90548640

約数和(自身を除く): 61697700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 5527, 11054, 16581, 22108, 27635, 33162, 49743, 55270, 66324, 82905, 99486, 110540, 160283, 165810, 198972, 248715, 320566, 331620, 480849, 497430, 641132, 801415, 961698, 994860, 1442547, 1602830, 1923396, 2404245, 2885094, 3205660, 4808490, 5770188, 7212735, 9616980, 14425470, 28850940]

約数ペア:

[(1, 28850940), (2, 14425470), (3, 9616980), (4, 7212735), (5, 5770188), (6, 4808490), (9, 3205660), (10, 2885094), (12, 2404245), (15, 1923396), (18, 1602830), (20, 1442547), (29, 994860), (30, 961698), (36, 801415), (45, 641132), (58, 497430), (60, 480849), (87, 331620), (90, 320566), (116, 248715), (145, 198972), (174, 165810), (180, 160283), (261, 110540), (290, 99486), (348, 82905), (435, 66324), (522, 55270), (580, 49743), (870, 33162), (1044, 27635), (1305, 22108), (1740, 16581), (2610, 11054), (5220, 5527)]