31205180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 67858560

約数和(自身を除く): 36653380

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 178, 188, 235, 356, 373, 445, 470, 746, 890, 940, 1492, 1780, 1865, 3730, 4183, 7460, 8366, 16732, 17531, 20915, 33197, 35062, 41830, 66394, 70124, 83660, 87655, 132788, 165985, 175310, 331970, 350620, 663940, 1560259, 3120518, 6241036, 7801295, 15602590, 31205180]

約数ペア:

[(1, 31205180), (2, 15602590), (4, 7801295), (5, 6241036), (10, 3120518), (20, 1560259), (47, 663940), (89, 350620), (94, 331970), (178, 175310), (188, 165985), (235, 132788), (356, 87655), (373, 83660), (445, 70124), (470, 66394), (746, 41830), (890, 35062), (940, 33197), (1492, 20915), (1780, 17531), (1865, 16732), (3730, 8366), (4183, 7460)]