438366970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{13729}}^1$

素因数の和:13870

約数の個数: 32

約数和(自身を含む): 822481920

約数和(自身を除く): 384114950

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 1030, 3193, 6386, 13729, 15965, 27458, 31930, 68645, 137290, 425599, 851198, 1414087, 2127995, 2828174, 4255990, 7070435, 14140870, 43836697, 87673394, 219183485, 438366970]

約数ペア:

[(1, 438366970), (2, 219183485), (5, 87673394), (10, 43836697), (31, 14140870), (62, 7070435), (103, 4255990), (155, 2828174), (206, 2127995), (310, 1414087), (515, 851198), (1030, 425599), (3193, 137290), (6386, 68645), (13729, 31930), (15965, 27458)]