244532920

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{14947}}^1$

素因数の和:15367

約数の個数: 32

約数和(自身を含む): 551581200

約数和(自身を除く): 307048280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 14947, 16360, 29894, 59788, 74735, 119576, 149470, 298940, 597880, 6113323, 12226646, 24453292, 30566615, 48906584, 61133230, 122266460, 244532920]

約数ペア:

[(1, 244532920), (2, 122266460), (4, 61133230), (5, 48906584), (8, 30566615), (10, 24453292), (20, 12226646), (40, 6113323), (409, 597880), (818, 298940), (1636, 149470), (2045, 119576), (3272, 74735), (4090, 59788), (8180, 29894), (14947, 16360)]