144812920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{517189}}^1$

素因数の和:517207

約数の個数: 32

約数和(自身を含む): 372376800

約数和(自身を除く): 227563880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 517189, 1034378, 2068756, 2585945, 3620323, 4137512, 5171890, 7240646, 10343780, 14481292, 18101615, 20687560, 28962584, 36203230, 72406460, 144812920]

約数ペア:

[(1, 144812920), (2, 72406460), (4, 36203230), (5, 28962584), (7, 20687560), (8, 18101615), (10, 14481292), (14, 10343780), (20, 7240646), (28, 5171890), (35, 4137512), (40, 3620323), (56, 2585945), (70, 2068756), (140, 1034378), (280, 517189)]