103509850

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 197308800

約数和(自身を除く): 93798950

約数列:

[1, 2, 5, 10, 25, 50, 101, 103, 199, 202, 206, 398, 505, 515, 995, 1010, 1030, 1990, 2525, 2575, 4975, 5050, 5150, 9950, 10403, 20099, 20497, 20806, 40198, 40994, 52015, 100495, 102485, 104030, 200990, 204970, 260075, 502475, 512425, 520150, 1004950, 1024850, 2070197, 4140394, 10350985, 20701970, 51754925, 103509850]

約数ペア:

[(1, 103509850), (2, 51754925), (5, 20701970), (10, 10350985), (25, 4140394), (50, 2070197), (101, 1024850), (103, 1004950), (199, 520150), (202, 512425), (206, 502475), (398, 260075), (505, 204970), (515, 200990), (995, 104030), (1010, 102485), (1030, 100495), (1990, 52015), (2525, 40994), (2575, 40198), (4975, 20806), (5050, 20497), (5150, 20099), (9950, 10403)]