338870320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{222941}}^1$

素因数の和:222973

約数の個数: 40

約数和(自身を含む): 829344240

約数和(自身を除く): 490473920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 222941, 445882, 891764, 1114705, 1783528, 2229410, 3567056, 4235879, 4458820, 8471758, 8917640, 16943516, 17835280, 21179395, 33887032, 42358790, 67774064, 84717580, 169435160, 338870320]

約数ペア:

[(1, 338870320), (2, 169435160), (4, 84717580), (5, 67774064), (8, 42358790), (10, 33887032), (16, 21179395), (19, 17835280), (20, 16943516), (38, 8917640), (40, 8471758), (76, 4458820), (80, 4235879), (95, 3567056), (152, 2229410), (190, 1783528), (304, 1114705), (380, 891764), (760, 445882), (1520, 222941)]