207496720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{136511}}^1$

素因数の和:136543

約数の個数: 40

約数和(自身を含む): 507824640

約数和(自身を除く): 300327920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 136511, 273022, 546044, 682555, 1092088, 1365110, 2184176, 2593709, 2730220, 5187418, 5460440, 10374836, 10920880, 12968545, 20749672, 25937090, 41499344, 51874180, 103748360, 207496720]

約数ペア:

[(1, 207496720), (2, 103748360), (4, 51874180), (5, 41499344), (8, 25937090), (10, 20749672), (16, 12968545), (19, 10920880), (20, 10374836), (38, 5460440), (40, 5187418), (76, 2730220), (80, 2593709), (95, 2184176), (152, 1365110), (190, 1092088), (304, 682555), (380, 546044), (760, 273022), (1520, 136511)]