491430896

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{821}}^1$

素因数の和:1038

約数の個数: 80

約数和(自身を含む): 1100822400

約数和(自身を除く): 609391504

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 179, 209, 304, 358, 418, 716, 821, 836, 1432, 1642, 1672, 1969, 2864, 3284, 3344, 3401, 3938, 6568, 6802, 7876, 9031, 13136, 13604, 15599, 15752, 18062, 27208, 31198, 31504, 36124, 37411, 54416, 62396, 72248, 74822, 124792, 144496, 146959, 149644, 171589, 249584, 293918, 299288, 343178, 587836, 598576, 686356, 1175672, 1372712, 1616549, 2351344, 2745424, 2792221, 3233098, 5584442, 6466196, 11168884, 12932392, 22337768, 25864784, 30714431, 44675536, 61428862, 122857724, 245715448, 491430896]

約数ペア:

[(1, 491430896), (2, 245715448), (4, 122857724), (8, 61428862), (11, 44675536), (16, 30714431), (19, 25864784), (22, 22337768), (38, 12932392), (44, 11168884), (76, 6466196), (88, 5584442), (152, 3233098), (176, 2792221), (179, 2745424), (209, 2351344), (304, 1616549), (358, 1372712), (418, 1175672), (716, 686356), (821, 598576), (836, 587836), (1432, 343178), (1642, 299288), (1672, 293918), (1969, 249584), (2864, 171589), (3284, 149644), (3344, 146959), (3401, 144496), (3938, 124792), (6568, 74822), (6802, 72248), (7876, 62396), (9031, 54416), (13136, 37411), (13604, 36124), (15599, 31504), (15752, 31198), (18062, 27208)]