2489351620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{225077}}^1$

素因数の和:225172

約数の個数: 48

約数和(自身を含む): 6050096640

約数和(自身を除く): 3560745020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 225077, 450154, 900308, 1125385, 1575539, 2250770, 3151078, 4501540, 6302156, 7877695, 15755390, 17781083, 31510780, 35562166, 71124332, 88905415, 124467581, 177810830, 248935162, 355621660, 497870324, 622337905, 1244675810, 2489351620]

約数ペア:

[(1, 2489351620), (2, 1244675810), (4, 622337905), (5, 497870324), (7, 355621660), (10, 248935162), (14, 177810830), (20, 124467581), (28, 88905415), (35, 71124332), (70, 35562166), (79, 31510780), (140, 17781083), (158, 15755390), (316, 7877695), (395, 6302156), (553, 4501540), (790, 3151078), (1106, 2250770), (1580, 1575539), (2212, 1125385), (2765, 900308), (5530, 450154), (11060, 225077)]