209900210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{14813}}^1$

素因数の和:14942

約数の個数: 32

約数和(自身を含む): 410644080

約数和(自身を除く): 200743870

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 2834, 7085, 14170, 14813, 29626, 74065, 148130, 192569, 385138, 962845, 1614617, 1925690, 3229234, 8073085, 16146170, 20990021, 41980042, 104950105, 209900210]

約数ペア:

[(1, 209900210), (2, 104950105), (5, 41980042), (10, 20990021), (13, 16146170), (26, 8073085), (65, 3229234), (109, 1925690), (130, 1614617), (218, 962845), (545, 385138), (1090, 192569), (1417, 148130), (2834, 74065), (7085, 29626), (14170, 14813)]