397633280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:974

約数の個数: 144

約数和(自身を含む): 1073737728

約数和(自身を除く): 676104448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 911, 992, 1240, 1280, 1364, 1408, 1705, 1760, 1822, 1984, 2480, 2728, 2816, 3410, 3520, 3644, 3968, 4555, 4960, 5456, 6820, 7040, 7288, 7936, 9110, 9920, 10021, 10912, 13640, 14080, 14576, 18220, 19840, 20042, 21824, 27280, 28241, 29152, 36440, 39680, 40084, 43648, 50105, 54560, 56482, 58304, 72880, 80168, 87296, 100210, 109120, 112964, 116608, 141205, 145760, 160336, 200420, 218240, 225928, 233216, 282410, 291520, 310651, 320672, 400840, 436480, 451856, 564820, 583040, 621302, 641344, 801680, 903712, 1129640, 1166080, 1242604, 1282688, 1553255, 1603360, 1807424, 2259280, 2485208, 2565376, 3106510, 3206720, 3614848, 4518560, 4970416, 6213020, 6413440, 7229696, 9037120, 9940832, 12426040, 12826880, 18074240, 19881664, 24852080, 36148480, 39763328, 49704160, 79526656, 99408320, 198816640, 397633280]

約数ペア:

[(1, 397633280), (2, 198816640), (4, 99408320), (5, 79526656), (8, 49704160), (10, 39763328), (11, 36148480), (16, 24852080), (20, 19881664), (22, 18074240), (31, 12826880), (32, 12426040), (40, 9940832), (44, 9037120), (55, 7229696), (62, 6413440), (64, 6213020), (80, 4970416), (88, 4518560), (110, 3614848), (124, 3206720), (128, 3106510), (155, 2565376), (160, 2485208), (176, 2259280), (220, 1807424), (248, 1603360), (256, 1553255), (310, 1282688), (320, 1242604), (341, 1166080), (352, 1129640), (440, 903712), (496, 801680), (620, 641344), (640, 621302), (682, 583040), (704, 564820), (880, 451856), (911, 436480), (992, 400840), (1240, 320672), (1280, 310651), (1364, 291520), (1408, 282410), (1705, 233216), (1760, 225928), (1822, 218240), (1984, 200420), (2480, 160336), (2728, 145760), (2816, 141205), (3410, 116608), (3520, 112964), (3644, 109120), (3968, 100210), (4555, 87296), (4960, 80168), (5456, 72880), (6820, 58304), (7040, 56482), (7288, 54560), (7936, 50105), (9110, 43648), (9920, 40084), (10021, 39680), (10912, 36440), (13640, 29152), (14080, 28241), (14576, 27280), (18220, 21824), (19840, 20042)]