154341940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{21377}}^1$

素因数の和:21424

約数の個数: 36

約数和(自身を含む): 342090756

約数和(自身を除く): 187748816

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 21377, 42754, 85508, 106885, 213770, 406163, 427540, 812326, 1624652, 2030815, 4061630, 7717097, 8123260, 15434194, 30868388, 38585485, 77170970, 154341940]

約数ペア:

[(1, 154341940), (2, 77170970), (4, 38585485), (5, 30868388), (10, 15434194), (19, 8123260), (20, 7717097), (38, 4061630), (76, 2030815), (95, 1624652), (190, 812326), (361, 427540), (380, 406163), (722, 213770), (1444, 106885), (1805, 85508), (3610, 42754), (7220, 21377)]