71868940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1933}}^1$

素因数の和:1979

約数の個数: 72

約数和(自身を含む): 178376688

約数和(自身を除く): 106507748

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 1933, 2860, 3380, 3718, 3866, 7436, 7732, 9295, 9665, 18590, 19330, 21263, 25129, 37180, 38660, 42526, 50258, 85052, 100516, 106315, 125645, 212630, 251290, 276419, 326677, 425260, 502580, 552838, 653354, 1105676, 1306708, 1382095, 1633385, 2764190, 3266770, 3593447, 5528380, 6533540, 7186894, 14373788, 17967235, 35934470, 71868940]

約数ペア:

[(1, 71868940), (2, 35934470), (4, 17967235), (5, 14373788), (10, 7186894), (11, 6533540), (13, 5528380), (20, 3593447), (22, 3266770), (26, 2764190), (44, 1633385), (52, 1382095), (55, 1306708), (65, 1105676), (110, 653354), (130, 552838), (143, 502580), (169, 425260), (220, 326677), (260, 276419), (286, 251290), (338, 212630), (572, 125645), (676, 106315), (715, 100516), (845, 85052), (1430, 50258), (1690, 42526), (1859, 38660), (1933, 37180), (2860, 25129), (3380, 21263), (3718, 19330), (3866, 18590), (7436, 9665), (7732, 9295)]