191457500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 120

約数和(自身を含む): 464738736

約数和(自身を除く): 273281236

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 125, 130, 137, 172, 215, 250, 260, 274, 325, 430, 500, 548, 559, 625, 650, 685, 860, 1075, 1118, 1250, 1300, 1370, 1625, 1781, 2150, 2236, 2500, 2740, 2795, 3250, 3425, 3562, 4300, 5375, 5590, 5891, 6500, 6850, 7124, 8125, 8905, 10750, 11180, 11782, 13700, 13975, 16250, 17125, 17810, 21500, 23564, 26875, 27950, 29455, 32500, 34250, 35620, 44525, 53750, 55900, 58910, 68500, 69875, 76583, 85625, 89050, 107500, 117820, 139750, 147275, 153166, 171250, 178100, 222625, 279500, 294550, 306332, 342500, 349375, 382915, 445250, 589100, 698750, 736375, 765830, 890500, 1113125, 1397500, 1472750, 1531660, 1914575, 2226250, 2945500, 3681875, 3829150, 4452500, 7363750, 7658300, 9572875, 14727500, 19145750, 38291500, 47864375, 95728750, 191457500]

約数ペア:

[(1, 191457500), (2, 95728750), (4, 47864375), (5, 38291500), (10, 19145750), (13, 14727500), (20, 9572875), (25, 7658300), (26, 7363750), (43, 4452500), (50, 3829150), (52, 3681875), (65, 2945500), (86, 2226250), (100, 1914575), (125, 1531660), (130, 1472750), (137, 1397500), (172, 1113125), (215, 890500), (250, 765830), (260, 736375), (274, 698750), (325, 589100), (430, 445250), (500, 382915), (548, 349375), (559, 342500), (625, 306332), (650, 294550), (685, 279500), (860, 222625), (1075, 178100), (1118, 171250), (1250, 153166), (1300, 147275), (1370, 139750), (1625, 117820), (1781, 107500), (2150, 89050), (2236, 85625), (2500, 76583), (2740, 69875), (2795, 68500), (3250, 58910), (3425, 55900), (3562, 53750), (4300, 44525), (5375, 35620), (5590, 34250), (5891, 32500), (6500, 29455), (6850, 27950), (7124, 26875), (8125, 23564), (8905, 21500), (10750, 17810), (11180, 17125), (11782, 16250), (13700, 13975)]