201232679740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{630863}}^1$

素因数の和:631302

約数の個数: 48

約数和(自身を含む): 434009197440

約数和(自身を除く): 232776517700

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 389, 410, 778, 820, 1556, 1945, 3890, 7780, 15949, 31898, 63796, 79745, 159490, 318980, 630863, 1261726, 2523452, 3154315, 6308630, 12617260, 25865383, 51730766, 103461532, 129326915, 245405707, 258653830, 490811414, 517307660, 981622828, 1227028535, 2454057070, 4908114140, 10061633987, 20123267974, 40246535948, 50308169935, 100616339870, 201232679740]

約数ペア:

[(1, 201232679740), (2, 100616339870), (4, 50308169935), (5, 40246535948), (10, 20123267974), (20, 10061633987), (41, 4908114140), (82, 2454057070), (164, 1227028535), (205, 981622828), (389, 517307660), (410, 490811414), (778, 258653830), (820, 245405707), (1556, 129326915), (1945, 103461532), (3890, 51730766), (7780, 25865383), (15949, 12617260), (31898, 6308630), (63796, 3154315), (79745, 2523452), (159490, 1261726), (318980, 630863)]