219069370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 436907520

約数和(自身を除く): 217838150

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 83, 130, 158, 166, 257, 395, 415, 514, 790, 830, 1027, 1079, 1285, 2054, 2158, 2570, 3341, 5135, 5395, 6557, 6682, 10270, 10790, 13114, 16705, 20303, 21331, 32785, 33410, 40606, 42662, 65570, 85241, 101515, 106655, 170482, 203030, 213310, 263939, 277303, 426205, 527878, 554606, 852410, 1319695, 1386515, 1685149, 2639390, 2773030, 3370298, 8425745, 16851490, 21906937, 43813874, 109534685, 219069370]

約数ペア:

[(1, 219069370), (2, 109534685), (5, 43813874), (10, 21906937), (13, 16851490), (26, 8425745), (65, 3370298), (79, 2773030), (83, 2639390), (130, 1685149), (158, 1386515), (166, 1319695), (257, 852410), (395, 554606), (415, 527878), (514, 426205), (790, 277303), (830, 263939), (1027, 213310), (1079, 203030), (1285, 170482), (2054, 106655), (2158, 101515), (2570, 85241), (3341, 65570), (5135, 42662), (5395, 40606), (6557, 33410), (6682, 32785), (10270, 21331), (10790, 20303), (13114, 16705)]