273855140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{1613}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 620666928

約数和(自身を除く): 346811788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 653, 1306, 1613, 2612, 3226, 3265, 6452, 6530, 8065, 8489, 13060, 16130, 16978, 20969, 32260, 33956, 41938, 42445, 83876, 84890, 104845, 169780, 209690, 419380, 1053289, 2106578, 4213156, 5266445, 10532890, 13692757, 21065780, 27385514, 54771028, 68463785, 136927570, 273855140]

約数ペア:

[(1, 273855140), (2, 136927570), (4, 68463785), (5, 54771028), (10, 27385514), (13, 21065780), (20, 13692757), (26, 10532890), (52, 5266445), (65, 4213156), (130, 2106578), (260, 1053289), (653, 419380), (1306, 209690), (1613, 169780), (2612, 104845), (3226, 84890), (3265, 83876), (6452, 42445), (6530, 41938), (8065, 33956), (8489, 32260), (13060, 20969), (16130, 16978)]