190648760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{153749}}^1$

素因数の和:153791

約数の個数: 32

約数和(自身を含む): 442800000

約数和(自身を除く): 252151240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 153749, 307498, 614996, 768745, 1229992, 1537490, 3074980, 4766219, 6149960, 9532438, 19064876, 23831095, 38129752, 47662190, 95324380, 190648760]

約数ペア:

[(1, 190648760), (2, 95324380), (4, 47662190), (5, 38129752), (8, 23831095), (10, 19064876), (20, 9532438), (31, 6149960), (40, 4766219), (62, 3074980), (124, 1537490), (155, 1229992), (248, 768745), (310, 614996), (620, 307498), (1240, 153749)]