694439990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{3389}}^1$

素因数の和:4088

約数の個数: 32

約数和(自身を含む): 1292647680

約数和(自身を除く): 598207690

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 661, 1322, 3305, 3389, 6610, 6778, 16945, 20491, 33890, 40982, 102455, 105059, 204910, 210118, 525295, 1050590, 2240129, 4480258, 11200645, 22401290, 69443999, 138887998, 347219995, 694439990]

約数ペア:

[(1, 694439990), (2, 347219995), (5, 138887998), (10, 69443999), (31, 22401290), (62, 11200645), (155, 4480258), (310, 2240129), (661, 1050590), (1322, 525295), (3305, 210118), (3389, 204910), (6610, 105059), (6778, 102455), (16945, 40982), (20491, 33890)]