284537720

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{33713}}^1$

素因数の和:33935

約数の個数: 32

約数和(自身を含む): 643263120

約数和(自身を除く): 358725400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 33713, 67426, 134852, 168565, 269704, 337130, 674260, 1348520, 7113443, 14226886, 28453772, 35567215, 56907544, 71134430, 142268860, 284537720]

約数ペア:

[(1, 284537720), (2, 142268860), (4, 71134430), (5, 56907544), (8, 35567215), (10, 28453772), (20, 14226886), (40, 7113443), (211, 1348520), (422, 674260), (844, 337130), (1055, 269704), (1688, 168565), (2110, 134852), (4220, 67426), (8440, 33713)]