31589780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1409}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 71064000

約数和(自身を除く): 39474220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 1409, 2242, 2818, 4484, 5605, 5636, 7045, 11210, 14090, 22420, 26771, 28180, 53542, 83131, 107084, 133855, 166262, 267710, 332524, 415655, 535420, 831310, 1579489, 1662620, 3158978, 6317956, 7897445, 15794890, 31589780]

約数ペア:

[(1, 31589780), (2, 15794890), (4, 7897445), (5, 6317956), (10, 3158978), (19, 1662620), (20, 1579489), (38, 831310), (59, 535420), (76, 415655), (95, 332524), (118, 267710), (190, 166262), (236, 133855), (295, 107084), (380, 83131), (590, 53542), (1121, 28180), (1180, 26771), (1409, 22420), (2242, 14090), (2818, 11210), (4484, 7045), (5605, 5636)]