64925000

素因数分解:

$2^3\times 5^5\times 7^2\times {\mathrm{53}}^1$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 180340020

約数和(自身を除く): 115415020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 53, 56, 70, 98, 100, 106, 125, 140, 175, 196, 200, 212, 245, 250, 265, 280, 350, 371, 392, 424, 490, 500, 530, 625, 700, 742, 875, 980, 1000, 1060, 1225, 1250, 1325, 1400, 1484, 1750, 1855, 1960, 2120, 2450, 2500, 2597, 2650, 2968, 3125, 3500, 3710, 4375, 4900, 5000, 5194, 5300, 6125, 6250, 6625, 7000, 7420, 8750, 9275, 9800, 10388, 10600, 12250, 12500, 12985, 13250, 14840, 17500, 18550, 20776, 21875, 24500, 25000, 25970, 26500, 30625, 33125, 35000, 37100, 43750, 46375, 49000, 51940, 53000, 61250, 64925, 66250, 74200, 87500, 92750, 103880, 122500, 129850, 132500, 153125, 165625, 175000, 185500, 231875, 245000, 259700, 265000, 306250, 324625, 331250, 371000, 463750, 519400, 612500, 649250, 662500, 927500, 1159375, 1225000, 1298500, 1325000, 1623125, 1855000, 2318750, 2597000, 3246250, 4637500, 6492500, 8115625, 9275000, 12985000, 16231250, 32462500, 64925000]

約数ペア:

[(1, 64925000), (2, 32462500), (4, 16231250), (5, 12985000), (7, 9275000), (8, 8115625), (10, 6492500), (14, 4637500), (20, 3246250), (25, 2597000), (28, 2318750), (35, 1855000), (40, 1623125), (49, 1325000), (50, 1298500), (53, 1225000), (56, 1159375), (70, 927500), (98, 662500), (100, 649250), (106, 612500), (125, 519400), (140, 463750), (175, 371000), (196, 331250), (200, 324625), (212, 306250), (245, 265000), (250, 259700), (265, 245000), (280, 231875), (350, 185500), (371, 175000), (392, 165625), (424, 153125), (490, 132500), (500, 129850), (530, 122500), (625, 103880), (700, 92750), (742, 87500), (875, 74200), (980, 66250), (1000, 64925), (1060, 61250), (1225, 53000), (1250, 51940), (1325, 49000), (1400, 46375), (1484, 43750), (1750, 37100), (1855, 35000), (1960, 33125), (2120, 30625), (2450, 26500), (2500, 25970), (2597, 25000), (2650, 24500), (2968, 21875), (3125, 20776), (3500, 18550), (3710, 17500), (4375, 14840), (4900, 13250), (5000, 12985), (5194, 12500), (5300, 12250), (6125, 10600), (6250, 10388), (6625, 9800), (7000, 9275), (7420, 8750)]