30391780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49019}}^1$

素因数の和:49059

約数の個数: 24

約数和(自身を含む): 65882880

約数和(自身を除く): 35491100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 49019, 98038, 196076, 245095, 490190, 980380, 1519589, 3039178, 6078356, 7597945, 15195890, 30391780]

約数ペア:

[(1, 30391780), (2, 15195890), (4, 7597945), (5, 6078356), (10, 3039178), (20, 1519589), (31, 980380), (62, 490190), (124, 245095), (155, 196076), (310, 98038), (620, 49019)]