398544580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1069}}^1\times {\mathrm{2663}}^1$

素因数の和:3748

約数の個数: 48

約数和(自身を含む): 957761280

約数和(自身を除く): 559216700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1069, 2138, 2663, 4276, 5326, 5345, 7483, 10652, 10690, 13315, 14966, 18641, 21380, 26630, 29932, 37282, 37415, 53260, 74564, 74830, 93205, 149660, 186410, 372820, 2846747, 5693494, 11386988, 14233735, 19927229, 28467470, 39854458, 56934940, 79708916, 99636145, 199272290, 398544580]

約数ペア:

[(1, 398544580), (2, 199272290), (4, 99636145), (5, 79708916), (7, 56934940), (10, 39854458), (14, 28467470), (20, 19927229), (28, 14233735), (35, 11386988), (70, 5693494), (140, 2846747), (1069, 372820), (2138, 186410), (2663, 149660), (4276, 93205), (5326, 74830), (5345, 74564), (7483, 53260), (10652, 37415), (10690, 37282), (13315, 29932), (14966, 26630), (18641, 21380)]