740263888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1307}}^1$

素因数の和:1724

約数の個数: 80

約数和(自身を含む): 1771136640

約数和(自身を除く): 1030872752

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 389, 728, 778, 1307, 1456, 1556, 2614, 2723, 3112, 5057, 5228, 5446, 6224, 9149, 10114, 10456, 10892, 16991, 18298, 20228, 20912, 21784, 33982, 35399, 36596, 40456, 43568, 67964, 70798, 73192, 80912, 118937, 135928, 141596, 146384, 237874, 271856, 283192, 475748, 508423, 566384, 951496, 1016846, 1902992, 2033692, 3558961, 4067384, 6609499, 7117922, 8134768, 13218998, 14235844, 26437996, 28471688, 46266493, 52875992, 56943376, 92532986, 105751984, 185065972, 370131944, 740263888]

約数ペア:

[(1, 740263888), (2, 370131944), (4, 185065972), (7, 105751984), (8, 92532986), (13, 56943376), (14, 52875992), (16, 46266493), (26, 28471688), (28, 26437996), (52, 14235844), (56, 13218998), (91, 8134768), (104, 7117922), (112, 6609499), (182, 4067384), (208, 3558961), (364, 2033692), (389, 1902992), (728, 1016846), (778, 951496), (1307, 566384), (1456, 508423), (1556, 475748), (2614, 283192), (2723, 271856), (3112, 237874), (5057, 146384), (5228, 141596), (5446, 135928), (6224, 118937), (9149, 80912), (10114, 73192), (10456, 70798), (10892, 67964), (16991, 43568), (18298, 40456), (20228, 36596), (20912, 35399), (21784, 33982)]