455000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{13}}^1$

素因数の和:46

約数の個数: 80

約数和(自身を含む): 1312080

約数和(自身を除く): 857080

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, 625, 650, 700, 728, 875, 910, 1000, 1250, 1300, 1400, 1625, 1750, 1820, 2275, 2500, 2600, 3250, 3500, 3640, 4375, 4550, 5000, 6500, 7000, 8125, 8750, 9100, 11375, 13000, 16250, 17500, 18200, 22750, 32500, 35000, 45500, 56875, 65000, 91000, 113750, 227500, 455000]

約数ペア:

[(1, 455000), (2, 227500), (4, 113750), (5, 91000), (7, 65000), (8, 56875), (10, 45500), (13, 35000), (14, 32500), (20, 22750), (25, 18200), (26, 17500), (28, 16250), (35, 13000), (40, 11375), (50, 9100), (52, 8750), (56, 8125), (65, 7000), (70, 6500), (91, 5000), (100, 4550), (104, 4375), (125, 3640), (130, 3500), (140, 3250), (175, 2600), (182, 2500), (200, 2275), (250, 1820), (260, 1750), (280, 1625), (325, 1400), (350, 1300), (364, 1250), (455, 1000), (500, 910), (520, 875), (625, 728), (650, 700)]