64382500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:327

約数の個数: 120

約数和(自身を含む): 173894336

約数和(自身を除く): 109511836

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 125, 130, 140, 175, 182, 250, 260, 283, 325, 350, 364, 455, 500, 566, 625, 650, 700, 875, 910, 1132, 1250, 1300, 1415, 1625, 1750, 1820, 1981, 2275, 2500, 2830, 3250, 3500, 3679, 3962, 4375, 4550, 5660, 6500, 7075, 7358, 7924, 8125, 8750, 9100, 9905, 11375, 14150, 14716, 16250, 17500, 18395, 19810, 22750, 25753, 28300, 32500, 35375, 36790, 39620, 45500, 49525, 51506, 56875, 70750, 73580, 91975, 99050, 103012, 113750, 128765, 141500, 176875, 183950, 198100, 227500, 247625, 257530, 353750, 367900, 459875, 495250, 515060, 643825, 707500, 919750, 990500, 1238125, 1287650, 1839500, 2299375, 2476250, 2575300, 3219125, 4598750, 4952500, 6438250, 9197500, 12876500, 16095625, 32191250, 64382500]

約数ペア:

[(1, 64382500), (2, 32191250), (4, 16095625), (5, 12876500), (7, 9197500), (10, 6438250), (13, 4952500), (14, 4598750), (20, 3219125), (25, 2575300), (26, 2476250), (28, 2299375), (35, 1839500), (50, 1287650), (52, 1238125), (65, 990500), (70, 919750), (91, 707500), (100, 643825), (125, 515060), (130, 495250), (140, 459875), (175, 367900), (182, 353750), (250, 257530), (260, 247625), (283, 227500), (325, 198100), (350, 183950), (364, 176875), (455, 141500), (500, 128765), (566, 113750), (625, 103012), (650, 99050), (700, 91975), (875, 73580), (910, 70750), (1132, 56875), (1250, 51506), (1300, 49525), (1415, 45500), (1625, 39620), (1750, 36790), (1820, 35375), (1981, 32500), (2275, 28300), (2500, 25753), (2830, 22750), (3250, 19810), (3500, 18395), (3679, 17500), (3962, 16250), (4375, 14716), (4550, 14150), (5660, 11375), (6500, 9905), (7075, 9100), (7358, 8750), (7924, 8125)]