289776620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{937}}^1$

素因数の和:1047

約数の個数: 72

約数和(自身を含む): 711334176

約数和(自身を除く): 421557556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 937, 940, 1316, 1645, 1874, 2209, 3290, 3748, 4418, 4685, 6559, 6580, 8836, 9370, 11045, 13118, 15463, 18740, 22090, 26236, 30926, 32795, 44039, 44180, 61852, 65590, 77315, 88078, 131180, 154630, 176156, 220195, 308273, 309260, 440390, 616546, 880780, 1233092, 1541365, 2069833, 3082730, 4139666, 6165460, 8279332, 10349165, 14488831, 20698330, 28977662, 41396660, 57955324, 72444155, 144888310, 289776620]

約数ペア:

[(1, 289776620), (2, 144888310), (4, 72444155), (5, 57955324), (7, 41396660), (10, 28977662), (14, 20698330), (20, 14488831), (28, 10349165), (35, 8279332), (47, 6165460), (70, 4139666), (94, 3082730), (140, 2069833), (188, 1541365), (235, 1233092), (329, 880780), (470, 616546), (658, 440390), (937, 309260), (940, 308273), (1316, 220195), (1645, 176156), (1874, 154630), (2209, 131180), (3290, 88078), (3748, 77315), (4418, 65590), (4685, 61852), (6559, 44180), (6580, 44039), (8836, 32795), (9370, 30926), (11045, 26236), (13118, 22090), (15463, 18740)]