212668890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:836

約数の個数: 128

約数和(自身を含む): 617103360

約数和(自身を除く): 404434470

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 47, 58, 70, 87, 94, 105, 141, 145, 174, 203, 210, 235, 282, 290, 329, 406, 435, 470, 609, 658, 705, 743, 870, 987, 1015, 1218, 1363, 1410, 1486, 1645, 1974, 2030, 2229, 2726, 3045, 3290, 3715, 4089, 4458, 4935, 5201, 6090, 6815, 7430, 8178, 9541, 9870, 10402, 11145, 13630, 15603, 19082, 20445, 21547, 22290, 26005, 28623, 31206, 34921, 40890, 43094, 47705, 52010, 57246, 64641, 69842, 78015, 95410, 104763, 107735, 129282, 143115, 150829, 156030, 174605, 209526, 215470, 244447, 286230, 301658, 323205, 349210, 452487, 488894, 523815, 646410, 733341, 754145, 904974, 1012709, 1047630, 1222235, 1466682, 1508290, 2025418, 2262435, 2444470, 3038127, 3666705, 4524870, 5063545, 6076254, 7088963, 7333410, 10127090, 14177926, 15190635, 21266889, 30381270, 35444815, 42533778, 70889630, 106334445, 212668890]

約数ペア:

[(1, 212668890), (2, 106334445), (3, 70889630), (5, 42533778), (6, 35444815), (7, 30381270), (10, 21266889), (14, 15190635), (15, 14177926), (21, 10127090), (29, 7333410), (30, 7088963), (35, 6076254), (42, 5063545), (47, 4524870), (58, 3666705), (70, 3038127), (87, 2444470), (94, 2262435), (105, 2025418), (141, 1508290), (145, 1466682), (174, 1222235), (203, 1047630), (210, 1012709), (235, 904974), (282, 754145), (290, 733341), (329, 646410), (406, 523815), (435, 488894), (470, 452487), (609, 349210), (658, 323205), (705, 301658), (743, 286230), (870, 244447), (987, 215470), (1015, 209526), (1218, 174605), (1363, 156030), (1410, 150829), (1486, 143115), (1645, 129282), (1974, 107735), (2030, 104763), (2229, 95410), (2726, 78015), (3045, 69842), (3290, 64641), (3715, 57246), (4089, 52010), (4458, 47705), (4935, 43094), (5201, 40890), (6090, 34921), (6815, 31206), (7430, 28623), (8178, 26005), (9541, 22290), (9870, 21547), (10402, 20445), (11145, 19082), (13630, 15603)]