87999380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27329}}^1$

素因数の和:27368

約数の個数: 48

約数和(自身を含む): 220389120

約数和(自身を除く): 132389740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 27329, 54658, 109316, 136645, 191303, 273290, 382606, 546580, 628567, 765212, 956515, 1257134, 1913030, 2514268, 3142835, 3826060, 4399969, 6285670, 8799938, 12571340, 17599876, 21999845, 43999690, 87999380]

約数ペア:

[(1, 87999380), (2, 43999690), (4, 21999845), (5, 17599876), (7, 12571340), (10, 8799938), (14, 6285670), (20, 4399969), (23, 3826060), (28, 3142835), (35, 2514268), (46, 1913030), (70, 1257134), (92, 956515), (115, 765212), (140, 628567), (161, 546580), (230, 382606), (322, 273290), (460, 191303), (644, 136645), (805, 109316), (1610, 54658), (3220, 27329)]