133669780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 285493824

約数和(自身を除く): 151824044

約数列:

[1, 2, 4, 5, 10, 20, 131, 163, 262, 313, 326, 524, 626, 652, 655, 815, 1252, 1310, 1565, 1630, 2620, 3130, 3260, 6260, 21353, 41003, 42706, 51019, 82006, 85412, 102038, 106765, 164012, 204076, 205015, 213530, 255095, 410030, 427060, 510190, 820060, 1020380, 6683489, 13366978, 26733956, 33417445, 66834890, 133669780]

約数ペア:

[(1, 133669780), (2, 66834890), (4, 33417445), (5, 26733956), (10, 13366978), (20, 6683489), (131, 1020380), (163, 820060), (262, 510190), (313, 427060), (326, 410030), (524, 255095), (626, 213530), (652, 205015), (655, 204076), (815, 164012), (1252, 106765), (1310, 102038), (1565, 85412), (1630, 82006), (2620, 51019), (3130, 42706), (3260, 41003), (6260, 21353)]