64449700

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{1879}}^1$

素因数の和:1914

約数の個数: 72

約数和(自身を含む): 163184000

約数和(自身を除く): 98734300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 980, 1225, 1372, 1715, 1879, 2450, 3430, 3758, 4900, 6860, 7516, 8575, 9395, 13153, 17150, 18790, 26306, 34300, 37580, 46975, 52612, 65765, 92071, 93950, 131530, 184142, 187900, 263060, 328825, 368284, 460355, 644497, 657650, 920710, 1288994, 1315300, 1841420, 2301775, 2577988, 3222485, 4603550, 6444970, 9207100, 12889940, 16112425, 32224850, 64449700]

約数ペア:

[(1, 64449700), (2, 32224850), (4, 16112425), (5, 12889940), (7, 9207100), (10, 6444970), (14, 4603550), (20, 3222485), (25, 2577988), (28, 2301775), (35, 1841420), (49, 1315300), (50, 1288994), (70, 920710), (98, 657650), (100, 644497), (140, 460355), (175, 368284), (196, 328825), (245, 263060), (343, 187900), (350, 184142), (490, 131530), (686, 93950), (700, 92071), (980, 65765), (1225, 52612), (1372, 46975), (1715, 37580), (1879, 34300), (2450, 26306), (3430, 18790), (3758, 17150), (4900, 13153), (6860, 9395), (7516, 8575)]