200783380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{971}}^1$

素因数の和:1205

約数の個数: 72

約数和(自身を含む): 493317216

約数和(自身を除く): 292533836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 211, 245, 422, 490, 844, 971, 980, 1055, 1477, 1942, 2110, 2954, 3884, 4220, 4855, 5908, 6797, 7385, 9710, 10339, 13594, 14770, 19420, 20678, 27188, 29540, 33985, 41356, 47579, 51695, 67970, 95158, 103390, 135940, 190316, 204881, 206780, 237895, 409762, 475790, 819524, 951580, 1024405, 1434167, 2048810, 2868334, 4097620, 5736668, 7170835, 10039169, 14341670, 20078338, 28683340, 40156676, 50195845, 100391690, 200783380]

約数ペア:

[(1, 200783380), (2, 100391690), (4, 50195845), (5, 40156676), (7, 28683340), (10, 20078338), (14, 14341670), (20, 10039169), (28, 7170835), (35, 5736668), (49, 4097620), (70, 2868334), (98, 2048810), (140, 1434167), (196, 1024405), (211, 951580), (245, 819524), (422, 475790), (490, 409762), (844, 237895), (971, 206780), (980, 204881), (1055, 190316), (1477, 135940), (1942, 103390), (2110, 95158), (2954, 67970), (3884, 51695), (4220, 47579), (4855, 41356), (5908, 33985), (6797, 29540), (7385, 27188), (9710, 20678), (10339, 19420), (13594, 14770)]