2008789630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{563}}^1$

素因数の和:889

約数の個数: 64

約数和(自身を含む): 3874003200

約数和(自身を除く): 1865213570

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 211, 422, 445, 563, 890, 1055, 1126, 1691, 2110, 2815, 3382, 4009, 5630, 8018, 8455, 10697, 16910, 18779, 20045, 21394, 37558, 40090, 50107, 53485, 93895, 100214, 106970, 118793, 187790, 237586, 250535, 356801, 501070, 593965, 713602, 952033, 1187930, 1784005, 1904066, 2257067, 3568010, 4514134, 4760165, 9520330, 10572577, 11285335, 21145154, 22570670, 52862885, 105725770, 200878963, 401757926, 1004394815, 2008789630]

約数ペア:

[(1, 2008789630), (2, 1004394815), (5, 401757926), (10, 200878963), (19, 105725770), (38, 52862885), (89, 22570670), (95, 21145154), (178, 11285335), (190, 10572577), (211, 9520330), (422, 4760165), (445, 4514134), (563, 3568010), (890, 2257067), (1055, 1904066), (1126, 1784005), (1691, 1187930), (2110, 952033), (2815, 713602), (3382, 593965), (4009, 501070), (5630, 356801), (8018, 250535), (8455, 237586), (10697, 187790), (16910, 118793), (18779, 106970), (20045, 100214), (21394, 93895), (37558, 53485), (40090, 50107)]