91000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1$

素因数の和:41

約数の個数: 64

約数和(自身を含む): 262080

約数和(自身を除く): 171080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 125, 130, 140, 175, 182, 200, 250, 260, 280, 325, 350, 364, 455, 500, 520, 650, 700, 728, 875, 910, 1000, 1300, 1400, 1625, 1750, 1820, 2275, 2600, 3250, 3500, 3640, 4550, 6500, 7000, 9100, 11375, 13000, 18200, 22750, 45500, 91000]

約数ペア:

[(1, 91000), (2, 45500), (4, 22750), (5, 18200), (7, 13000), (8, 11375), (10, 9100), (13, 7000), (14, 6500), (20, 4550), (25, 3640), (26, 3500), (28, 3250), (35, 2600), (40, 2275), (50, 1820), (52, 1750), (56, 1625), (65, 1400), (70, 1300), (91, 1000), (100, 910), (104, 875), (125, 728), (130, 700), (140, 650), (175, 520), (182, 500), (200, 455), (250, 364), (260, 350), (280, 325)]