42402990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{201919}}^1$

素因数の和:201936

約数の個数: 32

約数和(自身を含む): 116305920

約数和(自身を除く): 73902930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 201919, 403838, 605757, 1009595, 1211514, 1413433, 2019190, 2826866, 3028785, 4240299, 6057570, 7067165, 8480598, 14134330, 21201495, 42402990]

約数ペア:

[(1, 42402990), (2, 21201495), (3, 14134330), (5, 8480598), (6, 7067165), (7, 6057570), (10, 4240299), (14, 3028785), (15, 2826866), (21, 2019190), (30, 1413433), (35, 1211514), (42, 1009595), (70, 605757), (105, 403838), (210, 201919)]