200711720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1439}}^1$

素因数の和:1778

約数の個数: 64

約数和(自身を含む): 494553600

約数和(自身を除く): 293841880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 317, 440, 634, 1268, 1439, 1585, 2536, 2878, 3170, 3487, 5756, 6340, 6974, 7195, 11512, 12680, 13948, 14390, 15829, 17435, 27896, 28780, 31658, 34870, 57560, 63316, 69740, 79145, 126632, 139480, 158290, 316580, 456163, 633160, 912326, 1824652, 2280815, 3649304, 4561630, 5017793, 9123260, 10035586, 18246520, 20071172, 25088965, 40142344, 50177930, 100355860, 200711720]

約数ペア:

[(1, 200711720), (2, 100355860), (4, 50177930), (5, 40142344), (8, 25088965), (10, 20071172), (11, 18246520), (20, 10035586), (22, 9123260), (40, 5017793), (44, 4561630), (55, 3649304), (88, 2280815), (110, 1824652), (220, 912326), (317, 633160), (440, 456163), (634, 316580), (1268, 158290), (1439, 139480), (1585, 126632), (2536, 79145), (2878, 69740), (3170, 63316), (3487, 57560), (5756, 34870), (6340, 31658), (6974, 28780), (7195, 27896), (11512, 17435), (12680, 15829), (13948, 14390)]