74957720

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{19319}}^1$

素因数の和:19427

約数の個数: 32

約数和(自身を含む): 170402400

約数和(自身を除く): 95444680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 19319, 38638, 77276, 96595, 154552, 193190, 386380, 772760, 1873943, 3747886, 7495772, 9369715, 14991544, 18739430, 37478860, 74957720]

約数ペア:

[(1, 74957720), (2, 37478860), (4, 18739430), (5, 14991544), (8, 9369715), (10, 7495772), (20, 3747886), (40, 1873943), (97, 772760), (194, 386380), (388, 193190), (485, 154552), (776, 96595), (970, 77276), (1940, 38638), (3880, 19319)]