129997000

素因数分解:

$2^3\times 5^3\times 7^3\times {\mathrm{379}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 355680000

約数和(自身を除く): 225683000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 343, 350, 379, 392, 490, 500, 686, 700, 758, 875, 980, 1000, 1225, 1372, 1400, 1516, 1715, 1750, 1895, 1960, 2450, 2653, 2744, 3032, 3430, 3500, 3790, 4900, 5306, 6125, 6860, 7000, 7580, 8575, 9475, 9800, 10612, 12250, 13265, 13720, 15160, 17150, 18571, 18950, 21224, 24500, 26530, 34300, 37142, 37900, 42875, 47375, 49000, 53060, 66325, 68600, 74284, 75800, 85750, 92855, 94750, 106120, 129997, 132650, 148568, 171500, 185710, 189500, 259994, 265300, 331625, 343000, 371420, 379000, 464275, 519988, 530600, 649985, 663250, 742840, 928550, 1039976, 1299970, 1326500, 1857100, 2321375, 2599940, 2653000, 3249925, 3714200, 4642750, 5199880, 6499850, 9285500, 12999700, 16249625, 18571000, 25999400, 32499250, 64998500, 129997000]

約数ペア:

[(1, 129997000), (2, 64998500), (4, 32499250), (5, 25999400), (7, 18571000), (8, 16249625), (10, 12999700), (14, 9285500), (20, 6499850), (25, 5199880), (28, 4642750), (35, 3714200), (40, 3249925), (49, 2653000), (50, 2599940), (56, 2321375), (70, 1857100), (98, 1326500), (100, 1299970), (125, 1039976), (140, 928550), (175, 742840), (196, 663250), (200, 649985), (245, 530600), (250, 519988), (280, 464275), (343, 379000), (350, 371420), (379, 343000), (392, 331625), (490, 265300), (500, 259994), (686, 189500), (700, 185710), (758, 171500), (875, 148568), (980, 132650), (1000, 129997), (1225, 106120), (1372, 94750), (1400, 92855), (1516, 85750), (1715, 75800), (1750, 74284), (1895, 68600), (1960, 66325), (2450, 53060), (2653, 49000), (2744, 47375), (3032, 42875), (3430, 37900), (3500, 37142), (3790, 34300), (4900, 26530), (5306, 24500), (6125, 21224), (6860, 18950), (7000, 18571), (7580, 17150), (8575, 15160), (9475, 13720), (9800, 13265), (10612, 12250)]