289314340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{18959}}^1$

素因数の和:19084

約数の個数: 48

約数和(自身を含む): 700761600

約数和(自身を除く): 411447260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 18959, 37918, 75836, 94795, 132713, 189590, 265426, 379180, 530852, 663565, 1327130, 2066531, 2654260, 4133062, 8266124, 10332655, 14465717, 20665310, 28931434, 41330620, 57862868, 72328585, 144657170, 289314340]

約数ペア:

[(1, 289314340), (2, 144657170), (4, 72328585), (5, 57862868), (7, 41330620), (10, 28931434), (14, 20665310), (20, 14465717), (28, 10332655), (35, 8266124), (70, 4133062), (109, 2654260), (140, 2066531), (218, 1327130), (436, 663565), (545, 530852), (763, 379180), (1090, 265426), (1526, 189590), (2180, 132713), (3052, 94795), (3815, 75836), (7630, 37918), (15260, 18959)]