79639000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:426

約数の個数: 128

約数和(自身を含む): 220446720

約数和(自身を除く): 140807720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 100, 124, 125, 140, 155, 175, 200, 217, 248, 250, 280, 310, 350, 367, 434, 500, 620, 700, 734, 775, 868, 875, 1000, 1085, 1240, 1400, 1468, 1550, 1736, 1750, 1835, 2170, 2569, 2936, 3100, 3500, 3670, 3875, 4340, 5138, 5425, 6200, 7000, 7340, 7750, 8680, 9175, 10276, 10850, 11377, 12845, 14680, 15500, 18350, 20552, 21700, 22754, 25690, 27125, 31000, 36700, 43400, 45508, 45875, 51380, 54250, 56885, 64225, 73400, 79639, 91016, 91750, 102760, 108500, 113770, 128450, 159278, 183500, 217000, 227540, 256900, 284425, 318556, 321125, 367000, 398195, 455080, 513800, 568850, 637112, 642250, 796390, 1137700, 1284500, 1422125, 1592780, 1990975, 2275400, 2569000, 2844250, 3185560, 3981950, 5688500, 7963900, 9954875, 11377000, 15927800, 19909750, 39819500, 79639000]

約数ペア:

[(1, 79639000), (2, 39819500), (4, 19909750), (5, 15927800), (7, 11377000), (8, 9954875), (10, 7963900), (14, 5688500), (20, 3981950), (25, 3185560), (28, 2844250), (31, 2569000), (35, 2275400), (40, 1990975), (50, 1592780), (56, 1422125), (62, 1284500), (70, 1137700), (100, 796390), (124, 642250), (125, 637112), (140, 568850), (155, 513800), (175, 455080), (200, 398195), (217, 367000), (248, 321125), (250, 318556), (280, 284425), (310, 256900), (350, 227540), (367, 217000), (434, 183500), (500, 159278), (620, 128450), (700, 113770), (734, 108500), (775, 102760), (868, 91750), (875, 91016), (1000, 79639), (1085, 73400), (1240, 64225), (1400, 56885), (1468, 54250), (1550, 51380), (1736, 45875), (1750, 45508), (1835, 43400), (2170, 36700), (2569, 31000), (2936, 27125), (3100, 25690), (3500, 22754), (3670, 21700), (3875, 20552), (4340, 18350), (5138, 15500), (5425, 14680), (6200, 12845), (7000, 11377), (7340, 10850), (7750, 10276), (8680, 9175)]