209974240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{187477}}^1$

素因数の和:187499

約数の個数: 48

約数和(自身を含む): 566933472

約数和(自身を除く): 356959232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 187477, 374954, 749908, 937385, 1312339, 1499816, 1874770, 2624678, 2999632, 3749540, 5249356, 5999264, 6561695, 7499080, 10498712, 13123390, 14998160, 20997424, 26246780, 29996320, 41994848, 52493560, 104987120, 209974240]

約数ペア:

[(1, 209974240), (2, 104987120), (4, 52493560), (5, 41994848), (7, 29996320), (8, 26246780), (10, 20997424), (14, 14998160), (16, 13123390), (20, 10498712), (28, 7499080), (32, 6561695), (35, 5999264), (40, 5249356), (56, 3749540), (70, 2999632), (80, 2624678), (112, 1874770), (140, 1499816), (160, 1312339), (224, 937385), (280, 749908), (560, 374954), (1120, 187477)]