207970980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1427}}^1$

素因数の和:1793

約数の個数: 96

約数和(自身を含む): 667892736

約数和(自身を除く): 459921756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 347, 420, 694, 1041, 1388, 1427, 1735, 2082, 2429, 2854, 3470, 4164, 4281, 4858, 5205, 5708, 6940, 7135, 7287, 8562, 9716, 9989, 10410, 12145, 14270, 14574, 17124, 19978, 20820, 21405, 24290, 28540, 29148, 29967, 36435, 39956, 42810, 48580, 49945, 59934, 72870, 85620, 99890, 119868, 145740, 149835, 199780, 299670, 495169, 599340, 990338, 1485507, 1980676, 2475845, 2971014, 3466183, 4951690, 5942028, 6932366, 7427535, 9903380, 10398549, 13864732, 14855070, 17330915, 20797098, 29710140, 34661830, 41594196, 51992745, 69323660, 103985490, 207970980]

約数ペア:

[(1, 207970980), (2, 103985490), (3, 69323660), (4, 51992745), (5, 41594196), (6, 34661830), (7, 29710140), (10, 20797098), (12, 17330915), (14, 14855070), (15, 13864732), (20, 10398549), (21, 9903380), (28, 7427535), (30, 6932366), (35, 5942028), (42, 4951690), (60, 3466183), (70, 2971014), (84, 2475845), (105, 1980676), (140, 1485507), (210, 990338), (347, 599340), (420, 495169), (694, 299670), (1041, 199780), (1388, 149835), (1427, 145740), (1735, 119868), (2082, 99890), (2429, 85620), (2854, 72870), (3470, 59934), (4164, 49945), (4281, 48580), (4858, 42810), (5205, 39956), (5708, 36435), (6940, 29967), (7135, 29148), (7287, 28540), (8562, 24290), (9716, 21405), (9989, 20820), (10410, 19978), (12145, 17124), (14270, 14574)]