168315740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{677}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 366315264

約数和(自身を除く): 197999524

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 401, 620, 677, 802, 1354, 1604, 2005, 2708, 3385, 4010, 6770, 8020, 12431, 13540, 20987, 24862, 41974, 49724, 62155, 83948, 104935, 124310, 209870, 248620, 271477, 419740, 542954, 1085908, 1357385, 2714770, 5429540, 8415787, 16831574, 33663148, 42078935, 84157870, 168315740]

約数ペア:

[(1, 168315740), (2, 84157870), (4, 42078935), (5, 33663148), (10, 16831574), (20, 8415787), (31, 5429540), (62, 2714770), (124, 1357385), (155, 1085908), (310, 542954), (401, 419740), (620, 271477), (677, 248620), (802, 209870), (1354, 124310), (1604, 104935), (2005, 83948), (2708, 62155), (3385, 49724), (4010, 41974), (6770, 24862), (8020, 20987), (12431, 13540)]