887520100

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 1958902400

約数和(自身を除く): 1071382300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 199, 206, 398, 412, 433, 515, 796, 866, 995, 1030, 1732, 1990, 2060, 2165, 2575, 3980, 4330, 4975, 5150, 8660, 9950, 10300, 10825, 19900, 20497, 21650, 40994, 43300, 44599, 81988, 86167, 89198, 102485, 172334, 178396, 204970, 222995, 344668, 409940, 430835, 445990, 512425, 861670, 891980, 1024850, 1114975, 1723340, 2049700, 2154175, 2229950, 4308350, 4459900, 8616700, 8875201, 17750402, 35500804, 44376005, 88752010, 177504020, 221880025, 443760050, 887520100]

約数ペア:

[(1, 887520100), (2, 443760050), (4, 221880025), (5, 177504020), (10, 88752010), (20, 44376005), (25, 35500804), (50, 17750402), (100, 8875201), (103, 8616700), (199, 4459900), (206, 4308350), (398, 2229950), (412, 2154175), (433, 2049700), (515, 1723340), (796, 1114975), (866, 1024850), (995, 891980), (1030, 861670), (1732, 512425), (1990, 445990), (2060, 430835), (2165, 409940), (2575, 344668), (3980, 222995), (4330, 204970), (4975, 178396), (5150, 172334), (8660, 102485), (9950, 89198), (10300, 86167), (10825, 81988), (19900, 44599), (20497, 43300), (21650, 40994)]