747702920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{3847}}^1$

素因数の和:4014

約数の個数: 64

約数和(自身を含む): 1737141120

約数和(自身を除く): 989438200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 113, 172, 215, 226, 344, 430, 452, 565, 860, 904, 1130, 1720, 2260, 3847, 4520, 4859, 7694, 9718, 15388, 19235, 19436, 24295, 30776, 38470, 38872, 48590, 76940, 97180, 153880, 165421, 194360, 330842, 434711, 661684, 827105, 869422, 1323368, 1654210, 1738844, 2173555, 3308420, 3477688, 4347110, 6616840, 8694220, 17388440, 18692573, 37385146, 74770292, 93462865, 149540584, 186925730, 373851460, 747702920]

約数ペア:

[(1, 747702920), (2, 373851460), (4, 186925730), (5, 149540584), (8, 93462865), (10, 74770292), (20, 37385146), (40, 18692573), (43, 17388440), (86, 8694220), (113, 6616840), (172, 4347110), (215, 3477688), (226, 3308420), (344, 2173555), (430, 1738844), (452, 1654210), (565, 1323368), (860, 869422), (904, 827105), (1130, 661684), (1720, 434711), (2260, 330842), (3847, 194360), (4520, 165421), (4859, 153880), (7694, 97180), (9718, 76940), (15388, 48590), (19235, 38872), (19436, 38470), (24295, 30776)]