438892700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{641}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 982999584

約数和(自身を除く): 544106884

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 167, 205, 334, 410, 641, 668, 820, 835, 1025, 1282, 1670, 2050, 2564, 3205, 3340, 4100, 4175, 6410, 6847, 8350, 12820, 13694, 16025, 16700, 26281, 27388, 32050, 34235, 52562, 64100, 68470, 105124, 107047, 131405, 136940, 171175, 214094, 262810, 342350, 428188, 525620, 535235, 657025, 684700, 1070470, 1314050, 2140940, 2628100, 2676175, 4388927, 5352350, 8777854, 10704700, 17555708, 21944635, 43889270, 87778540, 109723175, 219446350, 438892700]

約数ペア:

[(1, 438892700), (2, 219446350), (4, 109723175), (5, 87778540), (10, 43889270), (20, 21944635), (25, 17555708), (41, 10704700), (50, 8777854), (82, 5352350), (100, 4388927), (164, 2676175), (167, 2628100), (205, 2140940), (334, 1314050), (410, 1070470), (641, 684700), (668, 657025), (820, 535235), (835, 525620), (1025, 428188), (1282, 342350), (1670, 262810), (2050, 214094), (2564, 171175), (3205, 136940), (3340, 131405), (4100, 107047), (4175, 105124), (6410, 68470), (6847, 64100), (8350, 52562), (12820, 34235), (13694, 32050), (16025, 27388), (16700, 26281)]