719740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 1778112

約数和(自身を除く): 1058372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 97, 106, 140, 194, 212, 265, 371, 388, 485, 530, 679, 742, 970, 1060, 1358, 1484, 1855, 1940, 2716, 3395, 3710, 5141, 6790, 7420, 10282, 13580, 20564, 25705, 35987, 51410, 71974, 102820, 143948, 179935, 359870, 719740]

約数ペア:

[(1, 719740), (2, 359870), (4, 179935), (5, 143948), (7, 102820), (10, 71974), (14, 51410), (20, 35987), (28, 25705), (35, 20564), (53, 13580), (70, 10282), (97, 7420), (106, 6790), (140, 5141), (194, 3710), (212, 3395), (265, 2716), (371, 1940), (388, 1855), (485, 1484), (530, 1358), (679, 1060), (742, 970)]