74221480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 172730880

約数和(自身を除く): 98509400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 167, 205, 271, 328, 334, 410, 542, 668, 820, 835, 1084, 1336, 1355, 1640, 1670, 2168, 2710, 3340, 5420, 6680, 6847, 10840, 11111, 13694, 22222, 27388, 34235, 44444, 45257, 54776, 55555, 68470, 88888, 90514, 111110, 136940, 181028, 222220, 226285, 273880, 362056, 444440, 452570, 905140, 1810280, 1855537, 3711074, 7422148, 9277685, 14844296, 18555370, 37110740, 74221480]

約数ペア:

[(1, 74221480), (2, 37110740), (4, 18555370), (5, 14844296), (8, 9277685), (10, 7422148), (20, 3711074), (40, 1855537), (41, 1810280), (82, 905140), (164, 452570), (167, 444440), (205, 362056), (271, 273880), (328, 226285), (334, 222220), (410, 181028), (542, 136940), (668, 111110), (820, 90514), (835, 88888), (1084, 68470), (1336, 55555), (1355, 54776), (1640, 45257), (1670, 44444), (2168, 34235), (2710, 27388), (3340, 22222), (5420, 13694), (6680, 11111), (6847, 10840)]