217592940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{190871}}^1$

素因数の和:190902

約数の個数: 48

約数和(自身を含む): 641329920

約数和(自身を除く): 423736980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 190871, 381742, 572613, 763484, 954355, 1145226, 1908710, 2290452, 2863065, 3626549, 3817420, 5726130, 7253098, 10879647, 11452260, 14506196, 18132745, 21759294, 36265490, 43518588, 54398235, 72530980, 108796470, 217592940]

約数ペア:

[(1, 217592940), (2, 108796470), (3, 72530980), (4, 54398235), (5, 43518588), (6, 36265490), (10, 21759294), (12, 18132745), (15, 14506196), (19, 11452260), (20, 10879647), (30, 7253098), (38, 5726130), (57, 3817420), (60, 3626549), (76, 2863065), (95, 2290452), (114, 1908710), (190, 1145226), (228, 954355), (285, 763484), (380, 572613), (570, 381742), (1140, 190871)]