488131000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:674

約数の個数: 128

約数和(自身を含む): 1317513600

約数和(自身を除く): 829382600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 137, 140, 175, 200, 250, 274, 280, 350, 500, 509, 548, 685, 700, 875, 959, 1000, 1018, 1096, 1370, 1400, 1750, 1918, 2036, 2545, 2740, 3425, 3500, 3563, 3836, 4072, 4795, 5090, 5480, 6850, 7000, 7126, 7672, 9590, 10180, 12725, 13700, 14252, 17125, 17815, 19180, 20360, 23975, 25450, 27400, 28504, 34250, 35630, 38360, 47950, 50900, 63625, 68500, 69733, 71260, 89075, 95900, 101800, 119875, 127250, 137000, 139466, 142520, 178150, 191800, 239750, 254500, 278932, 348665, 356300, 445375, 479500, 488131, 509000, 557864, 697330, 712600, 890750, 959000, 976262, 1394660, 1743325, 1781500, 1952524, 2440655, 2789320, 3486650, 3563000, 3905048, 4881310, 6973300, 8716625, 9762620, 12203275, 13946600, 17433250, 19525240, 24406550, 34866500, 48813100, 61016375, 69733000, 97626200, 122032750, 244065500, 488131000]

約数ペア:

[(1, 488131000), (2, 244065500), (4, 122032750), (5, 97626200), (7, 69733000), (8, 61016375), (10, 48813100), (14, 34866500), (20, 24406550), (25, 19525240), (28, 17433250), (35, 13946600), (40, 12203275), (50, 9762620), (56, 8716625), (70, 6973300), (100, 4881310), (125, 3905048), (137, 3563000), (140, 3486650), (175, 2789320), (200, 2440655), (250, 1952524), (274, 1781500), (280, 1743325), (350, 1394660), (500, 976262), (509, 959000), (548, 890750), (685, 712600), (700, 697330), (875, 557864), (959, 509000), (1000, 488131), (1018, 479500), (1096, 445375), (1370, 356300), (1400, 348665), (1750, 278932), (1918, 254500), (2036, 239750), (2545, 191800), (2740, 178150), (3425, 142520), (3500, 139466), (3563, 137000), (3836, 127250), (4072, 119875), (4795, 101800), (5090, 95900), (5480, 89075), (6850, 71260), (7000, 69733), (7126, 68500), (7672, 63625), (9590, 50900), (10180, 47950), (12725, 38360), (13700, 35630), (14252, 34250), (17125, 28504), (17815, 27400), (19180, 25450), (20360, 23975)]