28825020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22877}}^1$

素因数の和:22899

約数の個数: 72

約数和(自身を含む): 99931104

約数和(自身を除く): 71106084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22877, 45754, 68631, 91508, 114385, 137262, 160139, 205893, 228770, 274524, 320278, 343155, 411786, 457540, 480417, 640556, 686310, 800695, 823572, 960834, 1029465, 1372620, 1441251, 1601390, 1921668, 2058930, 2402085, 2882502, 3202780, 4117860, 4804170, 5765004, 7206255, 9608340, 14412510, 28825020]

約数ペア:

[(1, 28825020), (2, 14412510), (3, 9608340), (4, 7206255), (5, 5765004), (6, 4804170), (7, 4117860), (9, 3202780), (10, 2882502), (12, 2402085), (14, 2058930), (15, 1921668), (18, 1601390), (20, 1441251), (21, 1372620), (28, 1029465), (30, 960834), (35, 823572), (36, 800695), (42, 686310), (45, 640556), (60, 480417), (63, 457540), (70, 411786), (84, 343155), (90, 320278), (105, 274524), (126, 228770), (140, 205893), (180, 160139), (210, 137262), (252, 114385), (315, 91508), (420, 68631), (630, 45754), (1260, 22877)]