9979340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{599}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 25855200

約数和(自身を除く): 15875860

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 599, 833, 980, 1190, 1198, 1666, 2380, 2396, 2995, 3332, 4165, 4193, 5990, 8330, 8386, 10183, 11980, 16660, 16772, 20366, 20965, 29351, 40732, 41930, 50915, 58702, 71281, 83860, 101830, 117404, 142562, 146755, 203660, 285124, 293510, 356405, 498967, 587020, 712810, 997934, 1425620, 1995868, 2494835, 4989670, 9979340]

約数ペア:

[(1, 9979340), (2, 4989670), (4, 2494835), (5, 1995868), (7, 1425620), (10, 997934), (14, 712810), (17, 587020), (20, 498967), (28, 356405), (34, 293510), (35, 285124), (49, 203660), (68, 146755), (70, 142562), (85, 117404), (98, 101830), (119, 83860), (140, 71281), (170, 58702), (196, 50915), (238, 41930), (245, 40732), (340, 29351), (476, 20965), (490, 20366), (595, 16772), (599, 16660), (833, 11980), (980, 10183), (1190, 8386), (1198, 8330), (1666, 5990), (2380, 4193), (2396, 4165), (2995, 3332)]