18688600

素因数分解:

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

素因数の和:1937

約数の個数: 72

約数和(自身を含む): 50571540

約数和(自身を除く): 31882940

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, 1907, 1960, 2450, 3814, 4900, 7628, 9535, 9800, 13349, 15256, 19070, 26698, 38140, 47675, 53396, 66745, 76280, 93443, 95350, 106792, 133490, 186886, 190700, 266980, 333725, 373772, 381400, 467215, 533960, 667450, 747544, 934430, 1334900, 1868860, 2336075, 2669800, 3737720, 4672150, 9344300, 18688600]

約数ペア:

[(1, 18688600), (2, 9344300), (4, 4672150), (5, 3737720), (7, 2669800), (8, 2336075), (10, 1868860), (14, 1334900), (20, 934430), (25, 747544), (28, 667450), (35, 533960), (40, 467215), (49, 381400), (50, 373772), (56, 333725), (70, 266980), (98, 190700), (100, 186886), (140, 133490), (175, 106792), (196, 95350), (200, 93443), (245, 76280), (280, 66745), (350, 53396), (392, 47675), (490, 38140), (700, 26698), (980, 19070), (1225, 15256), (1400, 13349), (1907, 9800), (1960, 9535), (2450, 7628), (3814, 4900)]