1748658920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{16553}}^1$

素因数の和:16722

約数の個数: 64

約数和(自身を含む): 4171608000

約数和(自身を除く): 2422949080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 278, 380, 556, 695, 760, 1112, 1390, 2641, 2780, 5282, 5560, 10564, 13205, 16553, 21128, 26410, 33106, 52820, 66212, 82765, 105640, 132424, 165530, 314507, 331060, 629014, 662120, 1258028, 1572535, 2300867, 2516056, 3145070, 4601734, 6290140, 9203468, 11504335, 12580280, 18406936, 23008670, 43716473, 46017340, 87432946, 92034680, 174865892, 218582365, 349731784, 437164730, 874329460, 1748658920]

約数ペア:

[(1, 1748658920), (2, 874329460), (4, 437164730), (5, 349731784), (8, 218582365), (10, 174865892), (19, 92034680), (20, 87432946), (38, 46017340), (40, 43716473), (76, 23008670), (95, 18406936), (139, 12580280), (152, 11504335), (190, 9203468), (278, 6290140), (380, 4601734), (556, 3145070), (695, 2516056), (760, 2300867), (1112, 1572535), (1390, 1258028), (2641, 662120), (2780, 629014), (5282, 331060), (5560, 314507), (10564, 165530), (13205, 132424), (16553, 105640), (21128, 82765), (26410, 66212), (33106, 52820)]