74390680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 134628200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 107, 130, 140, 182, 191, 214, 260, 280, 364, 382, 428, 455, 520, 535, 728, 749, 764, 856, 910, 955, 1070, 1337, 1391, 1498, 1528, 1820, 1910, 2140, 2483, 2674, 2782, 2996, 3640, 3745, 3820, 4280, 4966, 5348, 5564, 5992, 6685, 6955, 7490, 7640, 9737, 9932, 10696, 11128, 12415, 13370, 13910, 14980, 17381, 19474, 19864, 20437, 24830, 26740, 27820, 29960, 34762, 38948, 40874, 48685, 49660, 53480, 55640, 69524, 77896, 81748, 86905, 97370, 99320, 102185, 139048, 143059, 163496, 173810, 194740, 204370, 265681, 286118, 347620, 389480, 408740, 531362, 572236, 695240, 715295, 817480, 1062724, 1144472, 1328405, 1430590, 1859767, 2125448, 2656810, 2861180, 3719534, 5313620, 5722360, 7439068, 9298835, 10627240, 14878136, 18597670, 37195340, 74390680]

約数ペア:

[(1, 74390680), (2, 37195340), (4, 18597670), (5, 14878136), (7, 10627240), (8, 9298835), (10, 7439068), (13, 5722360), (14, 5313620), (20, 3719534), (26, 2861180), (28, 2656810), (35, 2125448), (40, 1859767), (52, 1430590), (56, 1328405), (65, 1144472), (70, 1062724), (91, 817480), (104, 715295), (107, 695240), (130, 572236), (140, 531362), (182, 408740), (191, 389480), (214, 347620), (260, 286118), (280, 265681), (364, 204370), (382, 194740), (428, 173810), (455, 163496), (520, 143059), (535, 139048), (728, 102185), (749, 99320), (764, 97370), (856, 86905), (910, 81748), (955, 77896), (1070, 69524), (1337, 55640), (1391, 53480), (1498, 49660), (1528, 48685), (1820, 40874), (1910, 38948), (2140, 34762), (2483, 29960), (2674, 27820), (2782, 26740), (2996, 24830), (3640, 20437), (3745, 19864), (3820, 19474), (4280, 17381), (4966, 14980), (5348, 13910), (5564, 13370), (5992, 12415), (6685, 11128), (6955, 10696), (7490, 9932), (7640, 9737)]