7509740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 18768960

約数和(自身を除く): 11259220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 97, 98, 140, 158, 194, 196, 245, 316, 388, 395, 485, 490, 553, 679, 790, 970, 980, 1106, 1358, 1580, 1940, 2212, 2716, 2765, 3395, 3871, 4753, 5530, 6790, 7663, 7742, 9506, 11060, 13580, 15326, 15484, 19012, 19355, 23765, 30652, 38315, 38710, 47530, 53641, 76630, 77420, 95060, 107282, 153260, 214564, 268205, 375487, 536410, 750974, 1072820, 1501948, 1877435, 3754870, 7509740]

約数ペア:

[(1, 7509740), (2, 3754870), (4, 1877435), (5, 1501948), (7, 1072820), (10, 750974), (14, 536410), (20, 375487), (28, 268205), (35, 214564), (49, 153260), (70, 107282), (79, 95060), (97, 77420), (98, 76630), (140, 53641), (158, 47530), (194, 38710), (196, 38315), (245, 30652), (316, 23765), (388, 19355), (395, 19012), (485, 15484), (490, 15326), (553, 13580), (679, 11060), (790, 9506), (970, 7742), (980, 7663), (1106, 6790), (1358, 5530), (1580, 4753), (1940, 3871), (2212, 3395), (2716, 2765)]