85902860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{397}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 187219200

約数和(自身を除く): 101316340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 349, 397, 620, 698, 794, 1396, 1588, 1745, 1985, 3490, 3970, 6980, 7940, 10819, 12307, 21638, 24614, 43276, 49228, 54095, 61535, 108190, 123070, 138553, 216380, 246140, 277106, 554212, 692765, 1385530, 2771060, 4295143, 8590286, 17180572, 21475715, 42951430, 85902860]

約数ペア:

[(1, 85902860), (2, 42951430), (4, 21475715), (5, 17180572), (10, 8590286), (20, 4295143), (31, 2771060), (62, 1385530), (124, 692765), (155, 554212), (310, 277106), (349, 246140), (397, 216380), (620, 138553), (698, 123070), (794, 108190), (1396, 61535), (1588, 54095), (1745, 49228), (1985, 43276), (3490, 24614), (3970, 21638), (6980, 12307), (7940, 10819)]