28032900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{1907}}^1$

素因数の和:1938

約数の個数: 108

約数和(自身を含む): 94400208

約数和(自身を除く): 66367308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 350, 420, 490, 525, 588, 700, 735, 980, 1050, 1225, 1470, 1907, 2100, 2450, 2940, 3675, 3814, 4900, 5721, 7350, 7628, 9535, 11442, 13349, 14700, 19070, 22884, 26698, 28605, 38140, 40047, 47675, 53396, 57210, 66745, 80094, 93443, 95350, 114420, 133490, 143025, 160188, 186886, 190700, 200235, 266980, 280329, 286050, 333725, 373772, 400470, 467215, 560658, 572100, 667450, 800940, 934430, 1001175, 1121316, 1334900, 1401645, 1868860, 2002350, 2336075, 2803290, 4004700, 4672150, 5606580, 7008225, 9344300, 14016450, 28032900]

約数ペア:

[(1, 28032900), (2, 14016450), (3, 9344300), (4, 7008225), (5, 5606580), (6, 4672150), (7, 4004700), (10, 2803290), (12, 2336075), (14, 2002350), (15, 1868860), (20, 1401645), (21, 1334900), (25, 1121316), (28, 1001175), (30, 934430), (35, 800940), (42, 667450), (49, 572100), (50, 560658), (60, 467215), (70, 400470), (75, 373772), (84, 333725), (98, 286050), (100, 280329), (105, 266980), (140, 200235), (147, 190700), (150, 186886), (175, 160188), (196, 143025), (210, 133490), (245, 114420), (294, 95350), (300, 93443), (350, 80094), (420, 66745), (490, 57210), (525, 53396), (588, 47675), (700, 40047), (735, 38140), (980, 28605), (1050, 26698), (1225, 22884), (1470, 19070), (1907, 14700), (2100, 13349), (2450, 11442), (2940, 9535), (3675, 7628), (3814, 7350), (4900, 5721)]