173889140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2371}}^1$

素因数の和:2592

約数の個数: 48

約数和(自身を含む): 386541120

約数和(自身を除く): 212651980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 380, 386, 772, 965, 1930, 2371, 3667, 3860, 4742, 7334, 9484, 11855, 14668, 18335, 23710, 36670, 45049, 47420, 73340, 90098, 180196, 225245, 450490, 457603, 900980, 915206, 1830412, 2288015, 4576030, 8694457, 9152060, 17388914, 34777828, 43472285, 86944570, 173889140]

約数ペア:

[(1, 173889140), (2, 86944570), (4, 43472285), (5, 34777828), (10, 17388914), (19, 9152060), (20, 8694457), (38, 4576030), (76, 2288015), (95, 1830412), (190, 915206), (193, 900980), (380, 457603), (386, 450490), (772, 225245), (965, 180196), (1930, 90098), (2371, 73340), (3667, 47420), (3860, 45049), (4742, 36670), (7334, 23710), (9484, 18335), (11855, 14668)]