505743920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{18539}}^1$

素因数の和:18594

約数の個数: 80

約数和(自身を含む): 1324200960

約数和(自身を除く): 818457040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 18539, 27280, 37078, 74156, 92695, 148312, 185390, 203929, 296624, 370780, 407858, 574709, 741560, 815716, 1019645, 1149418, 1483120, 1631432, 2039290, 2298836, 2873545, 3262864, 4078580, 4597672, 5747090, 6321799, 8157160, 9195344, 11494180, 12643598, 16314320, 22988360, 25287196, 31608995, 45976720, 50574392, 63217990, 101148784, 126435980, 252871960, 505743920]

約数ペア:

[(1, 505743920), (2, 252871960), (4, 126435980), (5, 101148784), (8, 63217990), (10, 50574392), (11, 45976720), (16, 31608995), (20, 25287196), (22, 22988360), (31, 16314320), (40, 12643598), (44, 11494180), (55, 9195344), (62, 8157160), (80, 6321799), (88, 5747090), (110, 4597672), (124, 4078580), (155, 3262864), (176, 2873545), (220, 2298836), (248, 2039290), (310, 1631432), (341, 1483120), (440, 1149418), (496, 1019645), (620, 815716), (682, 741560), (880, 574709), (1240, 407858), (1364, 370780), (1705, 296624), (2480, 203929), (2728, 185390), (3410, 148312), (5456, 92695), (6820, 74156), (13640, 37078), (18539, 27280)]