77617340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 169858080

約数和(自身を除く): 92240740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 163, 290, 326, 580, 652, 815, 821, 1630, 1642, 3260, 3284, 4105, 4727, 8210, 9454, 16420, 18908, 23635, 23809, 47270, 47618, 94540, 95236, 119045, 133823, 238090, 267646, 476180, 535292, 669115, 1338230, 2676460, 3880867, 7761734, 15523468, 19404335, 38808670, 77617340]

約数ペア:

[(1, 77617340), (2, 38808670), (4, 19404335), (5, 15523468), (10, 7761734), (20, 3880867), (29, 2676460), (58, 1338230), (116, 669115), (145, 535292), (163, 476180), (290, 267646), (326, 238090), (580, 133823), (652, 119045), (815, 95236), (821, 94540), (1630, 47618), (1642, 47270), (3260, 23809), (3284, 23635), (4105, 18908), (4727, 16420), (8210, 9454)]