68918500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 182997360

約数和(自身を除く): 114078860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 49, 50, 58, 70, 97, 98, 100, 116, 125, 140, 145, 175, 194, 196, 203, 245, 250, 290, 350, 388, 406, 485, 490, 500, 580, 679, 700, 725, 812, 875, 970, 980, 1015, 1225, 1358, 1421, 1450, 1750, 1940, 2030, 2425, 2450, 2716, 2813, 2842, 2900, 3395, 3500, 3625, 4060, 4753, 4850, 4900, 5075, 5626, 5684, 6125, 6790, 7105, 7250, 9506, 9700, 10150, 11252, 12125, 12250, 13580, 14065, 14210, 14500, 16975, 19012, 19691, 20300, 23765, 24250, 24500, 25375, 28130, 28420, 33950, 35525, 39382, 47530, 48500, 50750, 56260, 67900, 70325, 71050, 78764, 84875, 95060, 98455, 101500, 118825, 137837, 140650, 142100, 169750, 177625, 196910, 237650, 275674, 281300, 339500, 351625, 355250, 393820, 475300, 492275, 551348, 594125, 689185, 703250, 710500, 984550, 1188250, 1378370, 1406500, 1969100, 2376500, 2461375, 2756740, 3445925, 4922750, 6891850, 9845500, 13783700, 17229625, 34459250, 68918500]

約数ペア:

[(1, 68918500), (2, 34459250), (4, 17229625), (5, 13783700), (7, 9845500), (10, 6891850), (14, 4922750), (20, 3445925), (25, 2756740), (28, 2461375), (29, 2376500), (35, 1969100), (49, 1406500), (50, 1378370), (58, 1188250), (70, 984550), (97, 710500), (98, 703250), (100, 689185), (116, 594125), (125, 551348), (140, 492275), (145, 475300), (175, 393820), (194, 355250), (196, 351625), (203, 339500), (245, 281300), (250, 275674), (290, 237650), (350, 196910), (388, 177625), (406, 169750), (485, 142100), (490, 140650), (500, 137837), (580, 118825), (679, 101500), (700, 98455), (725, 95060), (812, 84875), (875, 78764), (970, 71050), (980, 70325), (1015, 67900), (1225, 56260), (1358, 50750), (1421, 48500), (1450, 47530), (1750, 39382), (1940, 35525), (2030, 33950), (2425, 28420), (2450, 28130), (2716, 25375), (2813, 24500), (2842, 24250), (2900, 23765), (3395, 20300), (3500, 19691), (3625, 19012), (4060, 16975), (4753, 14500), (4850, 14210), (4900, 14065), (5075, 13580), (5626, 12250), (5684, 12125), (6125, 11252), (6790, 10150), (7105, 9700), (7250, 9506)]