81418890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:692

約数の個数: 96

約数和(自身を含む): 230053824

約数和(自身を除く): 148634934

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 97, 98, 105, 147, 194, 210, 245, 291, 294, 485, 490, 571, 582, 679, 735, 970, 1142, 1358, 1455, 1470, 1713, 2037, 2855, 2910, 3395, 3426, 3997, 4074, 4753, 5710, 6790, 7994, 8565, 9506, 10185, 11991, 14259, 17130, 19985, 20370, 23765, 23982, 27979, 28518, 39970, 47530, 55387, 55958, 59955, 71295, 83937, 110774, 119910, 139895, 142590, 166161, 167874, 276935, 279790, 332322, 387709, 419685, 553870, 775418, 830805, 839370, 1163127, 1661610, 1938545, 2326254, 2713963, 3877090, 5427926, 5815635, 8141889, 11631270, 13569815, 16283778, 27139630, 40709445, 81418890]

約数ペア:

[(1, 81418890), (2, 40709445), (3, 27139630), (5, 16283778), (6, 13569815), (7, 11631270), (10, 8141889), (14, 5815635), (15, 5427926), (21, 3877090), (30, 2713963), (35, 2326254), (42, 1938545), (49, 1661610), (70, 1163127), (97, 839370), (98, 830805), (105, 775418), (147, 553870), (194, 419685), (210, 387709), (245, 332322), (291, 279790), (294, 276935), (485, 167874), (490, 166161), (571, 142590), (582, 139895), (679, 119910), (735, 110774), (970, 83937), (1142, 71295), (1358, 59955), (1455, 55958), (1470, 55387), (1713, 47530), (2037, 39970), (2855, 28518), (2910, 27979), (3395, 23982), (3426, 23765), (3997, 20370), (4074, 19985), (4753, 17130), (5710, 14259), (6790, 11991), (7994, 10185), (8565, 9506)]