261640400

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{1907}}^1$

素因数の和:1946

約数の個数: 120

約数和(自身を含む): 733435200

約数和(自身を除く): 471794800

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, 343, 350, 392, 400, 490, 560, 686, 700, 784, 980, 1225, 1372, 1400, 1715, 1907, 1960, 2450, 2744, 2800, 3430, 3814, 3920, 4900, 5488, 6860, 7628, 8575, 9535, 9800, 13349, 13720, 15256, 17150, 19070, 19600, 26698, 27440, 30512, 34300, 38140, 47675, 53396, 66745, 68600, 76280, 93443, 95350, 106792, 133490, 137200, 152560, 186886, 190700, 213584, 266980, 333725, 373772, 381400, 467215, 533960, 654101, 667450, 747544, 762800, 934430, 1067920, 1308202, 1334900, 1495088, 1868860, 2336075, 2616404, 2669800, 3270505, 3737720, 4672150, 5232808, 5339600, 6541010, 7475440, 9344300, 10465616, 13082020, 16352525, 18688600, 26164040, 32705050, 37377200, 52328080, 65410100, 130820200, 261640400]

約数ペア:

[(1, 261640400), (2, 130820200), (4, 65410100), (5, 52328080), (7, 37377200), (8, 32705050), (10, 26164040), (14, 18688600), (16, 16352525), (20, 13082020), (25, 10465616), (28, 9344300), (35, 7475440), (40, 6541010), (49, 5339600), (50, 5232808), (56, 4672150), (70, 3737720), (80, 3270505), (98, 2669800), (100, 2616404), (112, 2336075), (140, 1868860), (175, 1495088), (196, 1334900), (200, 1308202), (245, 1067920), (280, 934430), (343, 762800), (350, 747544), (392, 667450), (400, 654101), (490, 533960), (560, 467215), (686, 381400), (700, 373772), (784, 333725), (980, 266980), (1225, 213584), (1372, 190700), (1400, 186886), (1715, 152560), (1907, 137200), (1960, 133490), (2450, 106792), (2744, 95350), (2800, 93443), (3430, 76280), (3814, 68600), (3920, 66745), (4900, 53396), (5488, 47675), (6860, 38140), (7628, 34300), (8575, 30512), (9535, 27440), (9800, 26698), (13349, 19600), (13720, 19070), (15256, 17150)]