17198440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 44582400

約数和(自身を除く): 27383960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 257, 280, 478, 514, 956, 1028, 1195, 1285, 1673, 1799, 1912, 2056, 2390, 2570, 3346, 3598, 4780, 5140, 6692, 7196, 8365, 8995, 9560, 10280, 13384, 14392, 16730, 17990, 33460, 35980, 61423, 66920, 71960, 122846, 245692, 307115, 429961, 491384, 614230, 859922, 1228460, 1719844, 2149805, 2456920, 3439688, 4299610, 8599220, 17198440]

約数ペア:

[(1, 17198440), (2, 8599220), (4, 4299610), (5, 3439688), (7, 2456920), (8, 2149805), (10, 1719844), (14, 1228460), (20, 859922), (28, 614230), (35, 491384), (40, 429961), (56, 307115), (70, 245692), (140, 122846), (239, 71960), (257, 66920), (280, 61423), (478, 35980), (514, 33460), (956, 17990), (1028, 16730), (1195, 14392), (1285, 13384), (1673, 10280), (1799, 9560), (1912, 8995), (2056, 8365), (2390, 7196), (2570, 6692), (3346, 5140), (3598, 4780)]