7138735240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{7457}}^1$

素因数の和:7751

約数の個数: 128

約数和(自身を含む): 19846632960

約数和(自身を除く): 12707897720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 263, 280, 364, 455, 520, 526, 728, 910, 1052, 1315, 1820, 1841, 2104, 2630, 3419, 3640, 3682, 5260, 6838, 7364, 7457, 9205, 10520, 13676, 14728, 14914, 17095, 18410, 23933, 27352, 29828, 34190, 36820, 37285, 47866, 52199, 59656, 68380, 73640, 74570, 95732, 96941, 104398, 119665, 136760, 149140, 191464, 193882, 208796, 239330, 260995, 298280, 387764, 417592, 478660, 484705, 521990, 678587, 775528, 957320, 969410, 1043980, 1357174, 1938820, 1961191, 2087960, 2714348, 3392935, 3877640, 3922382, 5428696, 6785870, 7844764, 9805955, 13571740, 13728337, 15689528, 19611910, 25495483, 27143480, 27456674, 39223820, 50990966, 54913348, 68641685, 78447640, 101981932, 109826696, 127477415, 137283370, 178468381, 203963864, 254954830, 274566740, 356936762, 509909660, 549133480, 713873524, 892341905, 1019819320, 1427747048, 1784683810, 3569367620, 7138735240]

約数ペア:

[(1, 7138735240), (2, 3569367620), (4, 1784683810), (5, 1427747048), (7, 1019819320), (8, 892341905), (10, 713873524), (13, 549133480), (14, 509909660), (20, 356936762), (26, 274566740), (28, 254954830), (35, 203963864), (40, 178468381), (52, 137283370), (56, 127477415), (65, 109826696), (70, 101981932), (91, 78447640), (104, 68641685), (130, 54913348), (140, 50990966), (182, 39223820), (260, 27456674), (263, 27143480), (280, 25495483), (364, 19611910), (455, 15689528), (520, 13728337), (526, 13571740), (728, 9805955), (910, 7844764), (1052, 6785870), (1315, 5428696), (1820, 3922382), (1841, 3877640), (2104, 3392935), (2630, 2714348), (3419, 2087960), (3640, 1961191), (3682, 1938820), (5260, 1357174), (6838, 1043980), (7364, 969410), (7457, 957320), (9205, 775528), (10520, 678587), (13676, 521990), (14728, 484705), (14914, 478660), (17095, 417592), (18410, 387764), (23933, 298280), (27352, 260995), (29828, 239330), (34190, 208796), (36820, 193882), (37285, 191464), (47866, 149140), (52199, 136760), (59656, 119665), (68380, 104398), (73640, 96941), (74570, 95732)]