514481620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{19069}}^1$

素因数の和:19168

約数の個数: 48

約数和(自身を含む): 1153353600

約数和(自身を除く): 638871980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 6745, 13490, 19069, 26980, 38138, 76276, 95345, 190690, 362311, 381380, 724622, 1353899, 1449244, 1811555, 2707798, 3623110, 5415596, 6769495, 7246220, 13538990, 25724081, 27077980, 51448162, 102896324, 128620405, 257240810, 514481620]

約数ペア:

[(1, 514481620), (2, 257240810), (4, 128620405), (5, 102896324), (10, 51448162), (19, 27077980), (20, 25724081), (38, 13538990), (71, 7246220), (76, 6769495), (95, 5415596), (142, 3623110), (190, 2707798), (284, 1811555), (355, 1449244), (380, 1353899), (710, 724622), (1349, 381380), (1420, 362311), (2698, 190690), (5396, 95345), (6745, 76276), (13490, 38138), (19069, 26980)]