55281800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{5641}}^1$

素因数の和:5671

約数の個数: 72

約数和(自身を含む): 149541210

約数和(自身を除く): 94259410

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 5641, 9800, 11282, 22564, 28205, 39487, 45128, 56410, 78974, 112820, 141025, 157948, 197435, 225640, 276409, 282050, 315896, 394870, 552818, 564100, 789740, 987175, 1105636, 1128200, 1382045, 1579480, 1974350, 2211272, 2764090, 3948700, 5528180, 6910225, 7897400, 11056360, 13820450, 27640900, 55281800]

約数ペア:

[(1, 55281800), (2, 27640900), (4, 13820450), (5, 11056360), (7, 7897400), (8, 6910225), (10, 5528180), (14, 3948700), (20, 2764090), (25, 2211272), (28, 1974350), (35, 1579480), (40, 1382045), (49, 1128200), (50, 1105636), (56, 987175), (70, 789740), (98, 564100), (100, 552818), (140, 394870), (175, 315896), (196, 282050), (200, 276409), (245, 225640), (280, 197435), (350, 157948), (392, 141025), (490, 112820), (700, 78974), (980, 56410), (1225, 45128), (1400, 39487), (1960, 28205), (2450, 22564), (4900, 11282), (5641, 9800)]