209750520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{249703}}^1$

素因数の和:249724

約数の個数: 64

約数和(自身を含む): 719147520

約数和(自身を除く): 509397000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 249703, 499406, 749109, 998812, 1248515, 1498218, 1747921, 1997624, 2497030, 2996436, 3495842, 3745545, 4994060, 5243763, 5992872, 6991684, 7491090, 8739605, 9988120, 10487526, 13983368, 14982180, 17479210, 20975052, 26218815, 29964360, 34958420, 41950104, 52437630, 69916840, 104875260, 209750520]

約数ペア:

[(1, 209750520), (2, 104875260), (3, 69916840), (4, 52437630), (5, 41950104), (6, 34958420), (7, 29964360), (8, 26218815), (10, 20975052), (12, 17479210), (14, 14982180), (15, 13983368), (20, 10487526), (21, 9988120), (24, 8739605), (28, 7491090), (30, 6991684), (35, 5992872), (40, 5243763), (42, 4994060), (56, 3745545), (60, 3495842), (70, 2996436), (84, 2497030), (105, 1997624), (120, 1747921), (140, 1498218), (168, 1248515), (210, 998812), (280, 749109), (420, 499406), (840, 249703)]