30998120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40787}}^1$

素因数の和:40817

約数の個数: 32

約数和(自身を含む): 73418400

約数和(自身を除く): 42420280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 40787, 81574, 163148, 203935, 326296, 407870, 774953, 815740, 1549906, 1631480, 3099812, 3874765, 6199624, 7749530, 15499060, 30998120]

約数ペア:

[(1, 30998120), (2, 15499060), (4, 7749530), (5, 6199624), (8, 3874765), (10, 3099812), (19, 1631480), (20, 1549906), (38, 815740), (40, 774953), (76, 407870), (95, 326296), (152, 203935), (190, 163148), (380, 81574), (760, 40787)]