299049940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1549}}^1$

素因数の和:1769

約数の個数: 72

約数和(自身を含む): 734718600

約数和(自身を除く): 435668660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 197, 245, 394, 490, 788, 980, 985, 1379, 1549, 1970, 2758, 3098, 3940, 5516, 6196, 6895, 7745, 9653, 10843, 13790, 15490, 19306, 21686, 27580, 30980, 38612, 43372, 48265, 54215, 75901, 96530, 108430, 151802, 193060, 216860, 303604, 305153, 379505, 610306, 759010, 1220612, 1518020, 1525765, 2136071, 3051530, 4272142, 6103060, 8544284, 10680355, 14952497, 21360710, 29904994, 42721420, 59809988, 74762485, 149524970, 299049940]

約数ペア:

[(1, 299049940), (2, 149524970), (4, 74762485), (5, 59809988), (7, 42721420), (10, 29904994), (14, 21360710), (20, 14952497), (28, 10680355), (35, 8544284), (49, 6103060), (70, 4272142), (98, 3051530), (140, 2136071), (196, 1525765), (197, 1518020), (245, 1220612), (394, 759010), (490, 610306), (788, 379505), (980, 305153), (985, 303604), (1379, 216860), (1549, 193060), (1970, 151802), (2758, 108430), (3098, 96530), (3940, 75901), (5516, 54215), (6196, 48265), (6895, 43372), (7745, 38612), (9653, 30980), (10843, 27580), (13790, 21686), (15490, 19306)]