9910780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2371}}^1$

素因数の和:2410

約数の個数: 48

約数和(自身を含む): 23909760

約数和(自身を除く): 13998980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 2371, 4180, 4742, 9484, 11855, 23710, 26081, 45049, 47420, 52162, 90098, 104324, 130405, 180196, 225245, 260810, 450490, 495539, 521620, 900980, 991078, 1982156, 2477695, 4955390, 9910780]

約数ペア:

[(1, 9910780), (2, 4955390), (4, 2477695), (5, 1982156), (10, 991078), (11, 900980), (19, 521620), (20, 495539), (22, 450490), (38, 260810), (44, 225245), (55, 180196), (76, 130405), (95, 104324), (110, 90098), (190, 52162), (209, 47420), (220, 45049), (380, 26081), (418, 23710), (836, 11855), (1045, 9484), (2090, 4742), (2371, 4180)]