2956780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 6773760

約数和(自身を除く): 3816980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 251, 310, 380, 502, 589, 620, 1004, 1178, 1255, 2356, 2510, 2945, 4769, 5020, 5890, 7781, 9538, 11780, 15562, 19076, 23845, 31124, 38905, 47690, 77810, 95380, 147839, 155620, 295678, 591356, 739195, 1478390, 2956780]

約数ペア:

[(1, 2956780), (2, 1478390), (4, 739195), (5, 591356), (10, 295678), (19, 155620), (20, 147839), (31, 95380), (38, 77810), (62, 47690), (76, 38905), (95, 31124), (124, 23845), (155, 19076), (190, 15562), (251, 11780), (310, 9538), (380, 7781), (502, 5890), (589, 5020), (620, 4769), (1004, 2945), (1178, 2510), (1255, 2356)]