201389320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2557}}^1$

素因数の和:2758

約数の個数: 64

約数和(自身を含む): 497275200

約数和(自身を除く): 295885880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 179, 220, 358, 440, 716, 895, 1432, 1790, 1969, 2557, 3580, 3938, 5114, 7160, 7876, 9845, 10228, 12785, 15752, 19690, 20456, 25570, 28127, 39380, 51140, 56254, 78760, 102280, 112508, 140635, 225016, 281270, 457703, 562540, 915406, 1125080, 1830812, 2288515, 3661624, 4577030, 5034733, 9154060, 10069466, 18308120, 20138932, 25173665, 40277864, 50347330, 100694660, 201389320]

約数ペア:

[(1, 201389320), (2, 100694660), (4, 50347330), (5, 40277864), (8, 25173665), (10, 20138932), (11, 18308120), (20, 10069466), (22, 9154060), (40, 5034733), (44, 4577030), (55, 3661624), (88, 2288515), (110, 1830812), (179, 1125080), (220, 915406), (358, 562540), (440, 457703), (716, 281270), (895, 225016), (1432, 140635), (1790, 112508), (1969, 102280), (2557, 78760), (3580, 56254), (3938, 51140), (5114, 39380), (7160, 28127), (7876, 25570), (9845, 20456), (10228, 19690), (12785, 15752)]