57391780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{7949}}^1$

素因数の和:7996

約数の個数: 36

約数和(自身を含む): 127215900

約数和(自身を除く): 69824120

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 7949, 15898, 31796, 39745, 79490, 151031, 158980, 302062, 604124, 755155, 1510310, 2869589, 3020620, 5739178, 11478356, 14347945, 28695890, 57391780]

約数ペア:

[(1, 57391780), (2, 28695890), (4, 14347945), (5, 11478356), (10, 5739178), (19, 3020620), (20, 2869589), (38, 1510310), (76, 755155), (95, 604124), (190, 302062), (361, 158980), (380, 151031), (722, 79490), (1444, 39745), (1805, 31796), (3610, 15898), (7220, 7949)]