2780384

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 6123600

約数和(自身を除く): 3343216

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 269, 272, 304, 323, 538, 544, 608, 646, 1076, 1292, 2152, 2584, 4304, 4573, 5111, 5168, 8608, 9146, 10222, 10336, 18292, 20444, 36584, 40888, 73168, 81776, 86887, 146336, 163552, 173774, 347548, 695096, 1390192, 2780384]

約数ペア:

[(1, 2780384), (2, 1390192), (4, 695096), (8, 347548), (16, 173774), (17, 163552), (19, 146336), (32, 86887), (34, 81776), (38, 73168), (68, 40888), (76, 36584), (136, 20444), (152, 18292), (269, 10336), (272, 10222), (304, 9146), (323, 8608), (538, 5168), (544, 5111), (608, 4573), (646, 4304), (1076, 2584), (1292, 2152)]