145457320

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{37489}}^1$

素因数の和:37597

約数の個数: 32

約数和(自身を含む): 330661800

約数和(自身を除く): 185204480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 37489, 74978, 149956, 187445, 299912, 374890, 749780, 1499560, 3636433, 7272866, 14545732, 18182165, 29091464, 36364330, 72728660, 145457320]

約数ペア:

[(1, 145457320), (2, 72728660), (4, 36364330), (5, 29091464), (8, 18182165), (10, 14545732), (20, 7272866), (40, 3636433), (97, 1499560), (194, 749780), (388, 374890), (485, 299912), (776, 187445), (970, 149956), (1940, 74978), (3880, 37489)]