68138000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 160

約数和(自身を含む): 195606528

約数和(自身を除く): 127468528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 125, 140, 155, 157, 175, 200, 217, 248, 250, 280, 310, 314, 350, 400, 434, 496, 500, 560, 620, 628, 700, 775, 785, 868, 875, 1000, 1085, 1099, 1240, 1256, 1400, 1550, 1570, 1736, 1750, 2000, 2170, 2198, 2480, 2512, 2800, 3100, 3140, 3472, 3500, 3875, 3925, 4340, 4396, 4867, 5425, 5495, 6200, 6280, 7000, 7750, 7850, 8680, 8792, 9734, 10850, 10990, 12400, 12560, 14000, 15500, 15700, 17360, 17584, 19468, 19625, 21700, 21980, 24335, 27125, 27475, 31000, 31400, 34069, 38936, 39250, 43400, 43960, 48670, 54250, 54950, 62000, 62800, 68138, 77872, 78500, 86800, 87920, 97340, 108500, 109900, 121675, 136276, 137375, 157000, 170345, 194680, 217000, 219800, 243350, 272552, 274750, 314000, 340690, 389360, 434000, 439600, 486700, 545104, 549500, 608375, 681380, 851725, 973400, 1099000, 1216750, 1362760, 1703450, 1946800, 2198000, 2433500, 2725520, 3406900, 4258625, 4867000, 6813800, 8517250, 9734000, 13627600, 17034500, 34069000, 68138000]

約数ペア:

[(1, 68138000), (2, 34069000), (4, 17034500), (5, 13627600), (7, 9734000), (8, 8517250), (10, 6813800), (14, 4867000), (16, 4258625), (20, 3406900), (25, 2725520), (28, 2433500), (31, 2198000), (35, 1946800), (40, 1703450), (50, 1362760), (56, 1216750), (62, 1099000), (70, 973400), (80, 851725), (100, 681380), (112, 608375), (124, 549500), (125, 545104), (140, 486700), (155, 439600), (157, 434000), (175, 389360), (200, 340690), (217, 314000), (248, 274750), (250, 272552), (280, 243350), (310, 219800), (314, 217000), (350, 194680), (400, 170345), (434, 157000), (496, 137375), (500, 136276), (560, 121675), (620, 109900), (628, 108500), (700, 97340), (775, 87920), (785, 86800), (868, 78500), (875, 77872), (1000, 68138), (1085, 62800), (1099, 62000), (1240, 54950), (1256, 54250), (1400, 48670), (1550, 43960), (1570, 43400), (1736, 39250), (1750, 38936), (2000, 34069), (2170, 31400), (2198, 31000), (2480, 27475), (2512, 27125), (2800, 24335), (3100, 21980), (3140, 21700), (3472, 19625), (3500, 19468), (3875, 17584), (3925, 17360), (4340, 15700), (4396, 15500), (4867, 14000), (5425, 12560), (5495, 12400), (6200, 10990), (6280, 10850), (7000, 9734), (7750, 8792), (7850, 8680)]