77898290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{6949}}^1$

素因数の和:7034

約数の個数: 32

約数和(自身を含む): 150120000

約数和(自身を除く): 72221710

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 295, 590, 1121, 2242, 5605, 6949, 11210, 13898, 34745, 69490, 132031, 264062, 409991, 660155, 819982, 1320310, 2049955, 4099910, 7789829, 15579658, 38949145, 77898290]

約数ペア:

[(1, 77898290), (2, 38949145), (5, 15579658), (10, 7789829), (19, 4099910), (38, 2049955), (59, 1320310), (95, 819982), (118, 660155), (190, 409991), (295, 264062), (590, 132031), (1121, 69490), (2242, 34745), (5605, 13898), (6949, 11210)]