4992010

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 9331200

約数和(自身を除く): 4339190

約数列:

[1, 2, 5, 10, 71, 79, 89, 142, 158, 178, 355, 395, 445, 710, 790, 890, 5609, 6319, 7031, 11218, 12638, 14062, 28045, 31595, 35155, 56090, 63190, 70310, 499201, 998402, 2496005, 4992010]

約数ペア:

[(1, 4992010), (2, 2496005), (5, 998402), (10, 499201), (71, 70310), (79, 63190), (89, 56090), (142, 35155), (158, 31595), (178, 28045), (355, 14062), (395, 12638), (445, 11218), (710, 7031), (790, 6319), (890, 5609)]