217000

素因数分解:

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

素因数の和:59

約数の個数: 64

約数和(自身を含む): 599040

約数和(自身を除く): 382040

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, 434, 500, 620, 700, 775, 868, 875, 1000, 1085, 1240, 1400, 1550, 1736, 1750, 2170, 3100, 3500, 3875, 4340, 5425, 6200, 7000, 7750, 8680, 10850, 15500, 21700, 27125, 31000, 43400, 54250, 108500, 217000]

約数ペア:

[(1, 217000), (2, 108500), (4, 54250), (5, 43400), (7, 31000), (8, 27125), (10, 21700), (14, 15500), (20, 10850), (25, 8680), (28, 7750), (31, 7000), (35, 6200), (40, 5425), (50, 4340), (56, 3875), (62, 3500), (70, 3100), (100, 2170), (124, 1750), (125, 1736), (140, 1550), (155, 1400), (175, 1240), (200, 1085), (217, 1000), (248, 875), (250, 868), (280, 775), (310, 700), (350, 620), (434, 500)]