289773820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{2467}}^1$

素因数の和:3322

約数の個数: 48

約数和(自身を含む): 696568320

約数和(自身を除く): 406794500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 839, 1678, 2467, 3356, 4195, 4934, 5873, 8390, 9868, 11746, 12335, 16780, 17269, 23492, 24670, 29365, 34538, 49340, 58730, 69076, 86345, 117460, 172690, 345380, 2069813, 4139626, 8279252, 10349065, 14488691, 20698130, 28977382, 41396260, 57954764, 72443455, 144886910, 289773820]

約数ペア:

[(1, 289773820), (2, 144886910), (4, 72443455), (5, 57954764), (7, 41396260), (10, 28977382), (14, 20698130), (20, 14488691), (28, 10349065), (35, 8279252), (70, 4139626), (140, 2069813), (839, 345380), (1678, 172690), (2467, 117460), (3356, 86345), (4195, 69076), (4934, 58730), (5873, 49340), (8390, 34538), (9868, 29365), (11746, 24670), (12335, 23492), (16780, 17269)]