69814780

素因数分解:

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

素因数の和:263

約数の個数: 72

約数和(自身を含む): 172495008

約数和(自身を除く): 102680228

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, 9409, 10282, 13580, 18818, 20564, 25705, 35987, 37636, 47045, 51410, 65863, 71974, 94090, 102820, 131726, 143948, 179935, 188180, 263452, 329315, 359870, 498677, 658630, 719740, 997354, 1317260, 1994708, 2493385, 3490739, 4986770, 6981478, 9973540, 13962956, 17453695, 34907390, 69814780]

約数ペア:

[(1, 69814780), (2, 34907390), (4, 17453695), (5, 13962956), (7, 9973540), (10, 6981478), (14, 4986770), (20, 3490739), (28, 2493385), (35, 1994708), (53, 1317260), (70, 997354), (97, 719740), (106, 658630), (140, 498677), (194, 359870), (212, 329315), (265, 263452), (371, 188180), (388, 179935), (485, 143948), (530, 131726), (679, 102820), (742, 94090), (970, 71974), (1060, 65863), (1358, 51410), (1484, 47045), (1855, 37636), (1940, 35987), (2716, 25705), (3395, 20564), (3710, 18818), (5141, 13580), (6790, 10282), (7420, 9409)]