219412880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{161333}}^1$

素因数の和:161363

約数の個数: 40

約数和(自身を含む): 540146232

約数和(自身を除く): 320733352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 161333, 322666, 645332, 806665, 1290664, 1613330, 2581328, 2742661, 3226660, 5485322, 6453320, 10970644, 12906640, 13713305, 21941288, 27426610, 43882576, 54853220, 109706440, 219412880]

約数ペア:

[(1, 219412880), (2, 109706440), (4, 54853220), (5, 43882576), (8, 27426610), (10, 21941288), (16, 13713305), (17, 12906640), (20, 10970644), (34, 6453320), (40, 5485322), (68, 3226660), (80, 2742661), (85, 2581328), (136, 1613330), (170, 1290664), (272, 806665), (340, 645332), (680, 322666), (1360, 161333)]