78246140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79843}}^1$

素因数の和:79866

約数の個数: 36

約数和(自身を含む): 191146536

約数和(自身を除く): 112900396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 79843, 159686, 319372, 399215, 558901, 798430, 1117802, 1596860, 2235604, 2794505, 3912307, 5589010, 7824614, 11178020, 15649228, 19561535, 39123070, 78246140]

約数ペア:

[(1, 78246140), (2, 39123070), (4, 19561535), (5, 15649228), (7, 11178020), (10, 7824614), (14, 5589010), (20, 3912307), (28, 2794505), (35, 2235604), (49, 1596860), (70, 1117802), (98, 798430), (140, 558901), (196, 399215), (245, 319372), (490, 159686), (980, 79843)]