207489780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{39749}}^1$

素因数の和:39793

約数の個数: 72

約数和(自身を含む): 651105000

約数和(自身を除く): 443615220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 39749, 79498, 119247, 158996, 198745, 238494, 357741, 397490, 476988, 596235, 715482, 794980, 1152721, 1192470, 1430964, 1788705, 2305442, 2384940, 3458163, 3577410, 4610884, 5763605, 6916326, 7154820, 10374489, 11527210, 13832652, 17290815, 20748978, 23054420, 34581630, 41497956, 51872445, 69163260, 103744890, 207489780]

約数ペア:

[(1, 207489780), (2, 103744890), (3, 69163260), (4, 51872445), (5, 41497956), (6, 34581630), (9, 23054420), (10, 20748978), (12, 17290815), (15, 13832652), (18, 11527210), (20, 10374489), (29, 7154820), (30, 6916326), (36, 5763605), (45, 4610884), (58, 3577410), (60, 3458163), (87, 2384940), (90, 2305442), (116, 1788705), (145, 1430964), (174, 1192470), (180, 1152721), (261, 794980), (290, 715482), (348, 596235), (435, 476988), (522, 397490), (580, 357741), (870, 238494), (1044, 198745), (1305, 158996), (1740, 119247), (2610, 79498), (5220, 39749)]