72743900

素因数分解:

$2^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{4019}}^1$

素因数の和:4214

約数の個数: 36

約数和(自身を含む): 158765880

約数和(自身を除く): 86021980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 181, 362, 724, 905, 1810, 3620, 4019, 4525, 8038, 9050, 16076, 18100, 20095, 40190, 80380, 100475, 200950, 401900, 727439, 1454878, 2909756, 3637195, 7274390, 14548780, 18185975, 36371950, 72743900]

約数ペア:

[(1, 72743900), (2, 36371950), (4, 18185975), (5, 14548780), (10, 7274390), (20, 3637195), (25, 2909756), (50, 1454878), (100, 727439), (181, 401900), (362, 200950), (724, 100475), (905, 80380), (1810, 40190), (3620, 20095), (4019, 18100), (4525, 16076), (8038, 9050)]