4988149340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:919

約数の個数: 72

約数和(自身を含む): 10775012976

約数和(自身を除く): 5786863636

約数列:

[1, 2, 4, 5, 10, 20, 61, 97, 122, 194, 244, 305, 388, 485, 610, 691, 970, 1220, 1382, 1940, 2764, 3455, 3721, 5917, 6910, 7442, 11834, 13820, 14884, 18605, 23668, 29585, 37210, 42151, 59170, 67027, 74420, 84302, 118340, 134054, 168604, 210755, 268108, 335135, 360937, 421510, 670270, 721874, 843020, 1340540, 1443748, 1804685, 2571211, 3609370, 4088647, 5142422, 7218740, 8177294, 10284844, 12856055, 16354588, 20443235, 25712110, 40886470, 51424220, 81772940, 249407467, 498814934, 997629868, 1247037335, 2494074670, 4988149340]

約数ペア:

[(1, 4988149340), (2, 2494074670), (4, 1247037335), (5, 997629868), (10, 498814934), (20, 249407467), (61, 81772940), (97, 51424220), (122, 40886470), (194, 25712110), (244, 20443235), (305, 16354588), (388, 12856055), (485, 10284844), (610, 8177294), (691, 7218740), (970, 5142422), (1220, 4088647), (1382, 3609370), (1940, 2571211), (2764, 1804685), (3455, 1443748), (3721, 1340540), (5917, 843020), (6910, 721874), (7442, 670270), (11834, 421510), (13820, 360937), (14884, 335135), (18605, 268108), (23668, 210755), (29585, 168604), (37210, 134054), (42151, 118340), (59170, 84302), (67027, 74420)]