123500780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{4703}}^1$

素因数の和:4826

約数の個数: 48

約数和(自身を含む): 282127104

約数和(自身を除く): 158626324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 4703, 5252, 6565, 9406, 13130, 18812, 23515, 26260, 47030, 61139, 94060, 122278, 244556, 305695, 475003, 611390, 950006, 1222780, 1900012, 2375015, 4750030, 6175039, 9500060, 12350078, 24700156, 30875195, 61750390, 123500780]

約数ペア:

[(1, 123500780), (2, 61750390), (4, 30875195), (5, 24700156), (10, 12350078), (13, 9500060), (20, 6175039), (26, 4750030), (52, 2375015), (65, 1900012), (101, 1222780), (130, 950006), (202, 611390), (260, 475003), (404, 305695), (505, 244556), (1010, 122278), (1313, 94060), (2020, 61139), (2626, 47030), (4703, 26260), (5252, 23515), (6565, 18812), (9406, 13130)]