2100028840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13417}}^1$

素因数の和:13491

約数の個数: 128

約数和(自身を含む): 5951151360

約数和(自身を除く): 3851122520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 130, 140, 172, 182, 215, 260, 280, 301, 344, 364, 430, 455, 520, 559, 602, 728, 860, 910, 1118, 1204, 1505, 1720, 1820, 2236, 2408, 2795, 3010, 3640, 3913, 4472, 5590, 6020, 7826, 11180, 12040, 13417, 15652, 19565, 22360, 26834, 31304, 39130, 53668, 67085, 78260, 93919, 107336, 134170, 156520, 174421, 187838, 268340, 348842, 375676, 469595, 536680, 576931, 697684, 751352, 872105, 939190, 1153862, 1220947, 1395368, 1744210, 1878380, 2307724, 2441894, 2884655, 3488420, 3756760, 4038517, 4615448, 4883788, 5769310, 6104735, 6976840, 7500103, 8077034, 9767576, 11538620, 12209470, 15000206, 16154068, 20192585, 23077240, 24418940, 30000412, 32308136, 37500515, 40385170, 48837880, 52500721, 60000824, 75001030, 80770340, 105001442, 150002060, 161540680, 210002884, 262503605, 300004120, 420005768, 525007210, 1050014420, 2100028840]

約数ペア:

[(1, 2100028840), (2, 1050014420), (4, 525007210), (5, 420005768), (7, 300004120), (8, 262503605), (10, 210002884), (13, 161540680), (14, 150002060), (20, 105001442), (26, 80770340), (28, 75001030), (35, 60000824), (40, 52500721), (43, 48837880), (52, 40385170), (56, 37500515), (65, 32308136), (70, 30000412), (86, 24418940), (91, 23077240), (104, 20192585), (130, 16154068), (140, 15000206), (172, 12209470), (182, 11538620), (215, 9767576), (260, 8077034), (280, 7500103), (301, 6976840), (344, 6104735), (364, 5769310), (430, 4883788), (455, 4615448), (520, 4038517), (559, 3756760), (602, 3488420), (728, 2884655), (860, 2441894), (910, 2307724), (1118, 1878380), (1204, 1744210), (1505, 1395368), (1720, 1220947), (1820, 1153862), (2236, 939190), (2408, 872105), (2795, 751352), (3010, 697684), (3640, 576931), (3913, 536680), (4472, 469595), (5590, 375676), (6020, 348842), (7826, 268340), (11180, 187838), (12040, 174421), (13417, 156520), (15652, 134170), (19565, 107336), (22360, 93919), (26834, 78260), (31304, 67085), (39130, 53668)]