764274620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{64879}}^1$

素因数の和:64938

約数の個数: 48

約数和(自身を含む): 1743974400

約数和(自身を除く): 979699780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 64879, 129758, 259516, 324395, 648790, 1232701, 1297580, 2011249, 2465402, 4022498, 4930804, 6163505, 8044996, 10056245, 12327010, 20112490, 24654020, 38213731, 40224980, 76427462, 152854924, 191068655, 382137310, 764274620]

約数ペア:

[(1, 764274620), (2, 382137310), (4, 191068655), (5, 152854924), (10, 76427462), (19, 40224980), (20, 38213731), (31, 24654020), (38, 20112490), (62, 12327010), (76, 10056245), (95, 8044996), (124, 6163505), (155, 4930804), (190, 4022498), (310, 2465402), (380, 2011249), (589, 1297580), (620, 1232701), (1178, 648790), (2356, 324395), (2945, 259516), (5890, 129758), (11780, 64879)]