68139650

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 130223808

約数和(自身を除く): 62084158

約数列:

[1, 2, 5, 10, 25, 50, 101, 103, 131, 202, 206, 262, 505, 515, 655, 1010, 1030, 1310, 2525, 2575, 3275, 5050, 5150, 6550, 10403, 13231, 13493, 20806, 26462, 26986, 52015, 66155, 67465, 104030, 132310, 134930, 260075, 330775, 337325, 520150, 661550, 674650, 1362793, 2725586, 6813965, 13627930, 34069825, 68139650]

約数ペア:

[(1, 68139650), (2, 34069825), (5, 13627930), (10, 6813965), (25, 2725586), (50, 1362793), (101, 674650), (103, 661550), (131, 520150), (202, 337325), (206, 330775), (262, 260075), (505, 134930), (515, 132310), (655, 104030), (1010, 67465), (1030, 66155), (1310, 52015), (2525, 26986), (2575, 26462), (3275, 20806), (5050, 13493), (5150, 13231), (6550, 10403)]