31219300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 78356096

約数和(自身を除く): 47136796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 103, 140, 175, 206, 350, 412, 433, 515, 700, 721, 866, 1030, 1442, 1732, 2060, 2165, 2575, 2884, 3031, 3605, 4330, 5150, 6062, 7210, 8660, 10300, 10825, 12124, 14420, 15155, 18025, 21650, 30310, 36050, 43300, 44599, 60620, 72100, 75775, 89198, 151550, 178396, 222995, 303100, 312193, 445990, 624386, 891980, 1114975, 1248772, 1560965, 2229950, 3121930, 4459900, 6243860, 7804825, 15609650, 31219300]

約数ペア:

[(1, 31219300), (2, 15609650), (4, 7804825), (5, 6243860), (7, 4459900), (10, 3121930), (14, 2229950), (20, 1560965), (25, 1248772), (28, 1114975), (35, 891980), (50, 624386), (70, 445990), (100, 312193), (103, 303100), (140, 222995), (175, 178396), (206, 151550), (350, 89198), (412, 75775), (433, 72100), (515, 60620), (700, 44599), (721, 43300), (866, 36050), (1030, 30310), (1442, 21650), (1732, 18025), (2060, 15155), (2165, 14420), (2575, 12124), (2884, 10825), (3031, 10300), (3605, 8660), (4330, 7210), (5150, 6062)]