618860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 1481760

約数和(自身を除く): 862900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 97, 110, 116, 145, 194, 220, 290, 319, 388, 485, 580, 638, 970, 1067, 1276, 1595, 1940, 2134, 2813, 3190, 4268, 5335, 5626, 6380, 10670, 11252, 14065, 21340, 28130, 30943, 56260, 61886, 123772, 154715, 309430, 618860]

約数ペア:

[(1, 618860), (2, 309430), (4, 154715), (5, 123772), (10, 61886), (11, 56260), (20, 30943), (22, 28130), (29, 21340), (44, 14065), (55, 11252), (58, 10670), (97, 6380), (110, 5626), (116, 5335), (145, 4268), (194, 3190), (220, 2813), (290, 2134), (319, 1940), (388, 1595), (485, 1276), (580, 1067), (638, 970)]