77660260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 169691760

約数和(自身を除く): 92031500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 257, 290, 514, 521, 580, 1028, 1042, 1285, 2084, 2570, 2605, 5140, 5210, 7453, 10420, 14906, 15109, 29812, 30218, 37265, 60436, 74530, 75545, 133897, 149060, 151090, 267794, 302180, 535588, 669485, 1338970, 2677940, 3883013, 7766026, 15532052, 19415065, 38830130, 77660260]

約数ペア:

[(1, 77660260), (2, 38830130), (4, 19415065), (5, 15532052), (10, 7766026), (20, 3883013), (29, 2677940), (58, 1338970), (116, 669485), (145, 535588), (257, 302180), (290, 267794), (514, 151090), (521, 149060), (580, 133897), (1028, 75545), (1042, 74530), (1285, 60436), (2084, 37265), (2570, 30218), (2605, 29812), (5140, 15109), (5210, 14906), (7453, 10420)]