645241660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107183}}^1$

素因数の和:107242

約数の個数: 48

約数和(自身を含む): 1584608256

約数和(自身を除く): 939366596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 107183, 214366, 428732, 535915, 750281, 1071830, 1500562, 2143660, 3001124, 3751405, 4608869, 7502810, 9217738, 15005620, 18435476, 23044345, 32262083, 46088690, 64524166, 92177380, 129048332, 161310415, 322620830, 645241660]

約数ペア:

[(1, 645241660), (2, 322620830), (4, 161310415), (5, 129048332), (7, 92177380), (10, 64524166), (14, 46088690), (20, 32262083), (28, 23044345), (35, 18435476), (43, 15005620), (70, 9217738), (86, 7502810), (140, 4608869), (172, 3751405), (215, 3001124), (301, 2143660), (430, 1500562), (602, 1071830), (860, 750281), (1204, 535915), (1505, 428732), (3010, 214366), (6020, 107183)]