258526730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:516

約数の個数: 128

約数和(自身を含む): 627056640

約数和(自身を除く): 368529910

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 41, 55, 70, 77, 82, 95, 110, 133, 154, 190, 205, 209, 266, 287, 385, 410, 418, 431, 451, 574, 665, 770, 779, 862, 902, 1045, 1330, 1435, 1463, 1558, 2090, 2155, 2255, 2870, 2926, 3017, 3157, 3895, 4310, 4510, 4741, 5453, 6034, 6314, 7315, 7790, 8189, 8569, 9482, 10906, 14630, 15085, 15785, 16378, 17138, 17671, 23705, 27265, 30170, 31570, 33187, 35342, 40945, 42845, 47410, 54530, 57323, 59983, 66374, 81890, 85690, 88355, 90079, 114646, 119966, 123697, 165935, 176710, 180158, 194381, 247394, 286615, 299915, 331870, 335749, 388762, 450395, 573230, 599830, 618485, 630553, 671498, 900790, 971905, 1236970, 1261106, 1360667, 1678745, 1943810, 2350243, 2721334, 3152765, 3357490, 3693239, 4700486, 6305530, 6803335, 7386478, 11751215, 13606670, 18466195, 23502430, 25852673, 36932390, 51705346, 129263365, 258526730]

約数ペア:

[(1, 258526730), (2, 129263365), (5, 51705346), (7, 36932390), (10, 25852673), (11, 23502430), (14, 18466195), (19, 13606670), (22, 11751215), (35, 7386478), (38, 6803335), (41, 6305530), (55, 4700486), (70, 3693239), (77, 3357490), (82, 3152765), (95, 2721334), (110, 2350243), (133, 1943810), (154, 1678745), (190, 1360667), (205, 1261106), (209, 1236970), (266, 971905), (287, 900790), (385, 671498), (410, 630553), (418, 618485), (431, 599830), (451, 573230), (574, 450395), (665, 388762), (770, 335749), (779, 331870), (862, 299915), (902, 286615), (1045, 247394), (1330, 194381), (1435, 180158), (1463, 176710), (1558, 165935), (2090, 123697), (2155, 119966), (2255, 114646), (2870, 90079), (2926, 88355), (3017, 85690), (3157, 81890), (3895, 66374), (4310, 59983), (4510, 57323), (4741, 54530), (5453, 47410), (6034, 42845), (6314, 40945), (7315, 35342), (7790, 33187), (8189, 31570), (8569, 30170), (9482, 27265), (10906, 23705), (14630, 17671), (15085, 17138), (15785, 16378)]