18678800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{953}}^1$

素因数の和:985

約数の個数: 90

約数和(自身を含む): 52257258

約数和(自身を除く): 33578458

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 953, 980, 1225, 1400, 1906, 1960, 2450, 2800, 3812, 3920, 4765, 4900, 6671, 7624, 9530, 9800, 13342, 15248, 19060, 19600, 23825, 26684, 33355, 38120, 46697, 47650, 53368, 66710, 76240, 93394, 95300, 106736, 133420, 166775, 186788, 190600, 233485, 266840, 333550, 373576, 381200, 466970, 533680, 667100, 747152, 933940, 1167425, 1334200, 1867880, 2334850, 2668400, 3735760, 4669700, 9339400, 18678800]

約数ペア:

[(1, 18678800), (2, 9339400), (4, 4669700), (5, 3735760), (7, 2668400), (8, 2334850), (10, 1867880), (14, 1334200), (16, 1167425), (20, 933940), (25, 747152), (28, 667100), (35, 533680), (40, 466970), (49, 381200), (50, 373576), (56, 333550), (70, 266840), (80, 233485), (98, 190600), (100, 186788), (112, 166775), (140, 133420), (175, 106736), (196, 95300), (200, 93394), (245, 76240), (280, 66710), (350, 53368), (392, 47650), (400, 46697), (490, 38120), (560, 33355), (700, 26684), (784, 23825), (953, 19600), (980, 19060), (1225, 15248), (1400, 13342), (1906, 9800), (1960, 9530), (2450, 7624), (2800, 6671), (3812, 4900), (3920, 4765)]