90169288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 195840000

約数和(自身を除く): 105670712

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 199, 209, 271, 398, 418, 542, 796, 836, 1084, 1592, 1672, 2168, 2189, 2981, 3781, 4378, 5149, 5962, 7562, 8756, 10298, 11924, 15124, 17512, 20596, 23848, 30248, 41192, 41591, 53929, 56639, 83182, 107858, 113278, 166364, 215716, 226556, 332728, 431432, 453112, 593219, 1024651, 1186438, 2049302, 2372876, 4098604, 4745752, 8197208, 11271161, 22542322, 45084644, 90169288]

約数ペア:

[(1, 90169288), (2, 45084644), (4, 22542322), (8, 11271161), (11, 8197208), (19, 4745752), (22, 4098604), (38, 2372876), (44, 2049302), (76, 1186438), (88, 1024651), (152, 593219), (199, 453112), (209, 431432), (271, 332728), (398, 226556), (418, 215716), (542, 166364), (796, 113278), (836, 107858), (1084, 83182), (1592, 56639), (1672, 53929), (2168, 41591), (2189, 41192), (2981, 30248), (3781, 23848), (4378, 20596), (5149, 17512), (5962, 15124), (7562, 11924), (8756, 10298)]