38390410

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 70761600

約数和(自身を除く): 32371190

約数列:

[1, 2, 5, 10, 71, 139, 142, 278, 355, 389, 695, 710, 778, 1390, 1945, 3890, 9869, 19738, 27619, 49345, 54071, 55238, 98690, 108142, 138095, 270355, 276190, 540710, 3839041, 7678082, 19195205, 38390410]

約数ペア:

[(1, 38390410), (2, 19195205), (5, 7678082), (10, 3839041), (71, 540710), (139, 276190), (142, 270355), (278, 138095), (355, 108142), (389, 98690), (695, 55238), (710, 54071), (778, 49345), (1390, 27619), (1945, 19738), (3890, 9869)]