305266390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{16421}}^1$

素因数の和:16465

約数の個数: 48

約数和(自身を含む): 649128816

約数和(自身を除く): 343862426

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 1430, 1690, 1859, 3718, 9295, 16421, 18590, 32842, 82105, 164210, 180631, 213473, 361262, 426946, 903155, 1067365, 1806310, 2134730, 2348203, 2775149, 4696406, 5550298, 11741015, 13875745, 23482030, 27751490, 30526639, 61053278, 152633195, 305266390]

約数ペア:

[(1, 305266390), (2, 152633195), (5, 61053278), (10, 30526639), (11, 27751490), (13, 23482030), (22, 13875745), (26, 11741015), (55, 5550298), (65, 4696406), (110, 2775149), (130, 2348203), (143, 2134730), (169, 1806310), (286, 1067365), (338, 903155), (715, 426946), (845, 361262), (1430, 213473), (1690, 180631), (1859, 164210), (3718, 82105), (9295, 32842), (16421, 18590)]