28485900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1072

約数の個数: 108

約数和(自身を含む): 92257984

約数和(自身を除く): 63772084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 150, 155, 180, 186, 225, 279, 300, 310, 372, 450, 465, 558, 620, 775, 900, 930, 1021, 1116, 1395, 1550, 1860, 2042, 2325, 2790, 3063, 3100, 4084, 4650, 5105, 5580, 6126, 6975, 9189, 9300, 10210, 12252, 13950, 15315, 18378, 20420, 25525, 27900, 30630, 31651, 36756, 45945, 51050, 61260, 63302, 76575, 91890, 94953, 102100, 126604, 153150, 158255, 183780, 189906, 229725, 284859, 306300, 316510, 379812, 459450, 474765, 569718, 633020, 791275, 918900, 949530, 1139436, 1424295, 1582550, 1899060, 2373825, 2848590, 3165100, 4747650, 5697180, 7121475, 9495300, 14242950, 28485900]

約数ペア:

[(1, 28485900), (2, 14242950), (3, 9495300), (4, 7121475), (5, 5697180), (6, 4747650), (9, 3165100), (10, 2848590), (12, 2373825), (15, 1899060), (18, 1582550), (20, 1424295), (25, 1139436), (30, 949530), (31, 918900), (36, 791275), (45, 633020), (50, 569718), (60, 474765), (62, 459450), (75, 379812), (90, 316510), (93, 306300), (100, 284859), (124, 229725), (150, 189906), (155, 183780), (180, 158255), (186, 153150), (225, 126604), (279, 102100), (300, 94953), (310, 91890), (372, 76575), (450, 63302), (465, 61260), (558, 51050), (620, 45945), (775, 36756), (900, 31651), (930, 30630), (1021, 27900), (1116, 25525), (1395, 20420), (1550, 18378), (1860, 15315), (2042, 13950), (2325, 12252), (2790, 10210), (3063, 9300), (3100, 9189), (4084, 6975), (4650, 6126), (5105, 5580)]