29886220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16421}}^1$

素因数の和:16450

約数の個数: 48

約数和(自身を含む): 77249088

約数和(自身を除く): 47362868

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 16421, 32842, 65684, 82105, 114947, 164210, 213473, 229894, 328420, 426946, 459788, 574735, 853892, 1067365, 1149470, 1494311, 2134730, 2298940, 2988622, 4269460, 5977244, 7471555, 14943110, 29886220]

約数ペア:

[(1, 29886220), (2, 14943110), (4, 7471555), (5, 5977244), (7, 4269460), (10, 2988622), (13, 2298940), (14, 2134730), (20, 1494311), (26, 1149470), (28, 1067365), (35, 853892), (52, 574735), (65, 459788), (70, 426946), (91, 328420), (130, 229894), (140, 213473), (182, 164210), (260, 114947), (364, 82105), (455, 65684), (910, 32842), (1820, 16421)]