243918740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 568995840

約数和(自身を除く): 325077100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 89, 127, 130, 166, 178, 254, 260, 332, 356, 415, 445, 508, 635, 830, 890, 1079, 1157, 1270, 1651, 1660, 1780, 2158, 2314, 2540, 3302, 4316, 4628, 5395, 5785, 6604, 7387, 8255, 10541, 10790, 11303, 11570, 14774, 16510, 21082, 21580, 22606, 23140, 29548, 33020, 36935, 42164, 45212, 52705, 56515, 73870, 96031, 105410, 113030, 137033, 146939, 147740, 192062, 210820, 226060, 274066, 293878, 384124, 480155, 548132, 587756, 685165, 734695, 938149, 960310, 1370330, 1469390, 1876298, 1920620, 2740660, 2938780, 3752596, 4690745, 9381490, 12195937, 18762980, 24391874, 48783748, 60979685, 121959370, 243918740]

約数ペア:

[(1, 243918740), (2, 121959370), (4, 60979685), (5, 48783748), (10, 24391874), (13, 18762980), (20, 12195937), (26, 9381490), (52, 4690745), (65, 3752596), (83, 2938780), (89, 2740660), (127, 1920620), (130, 1876298), (166, 1469390), (178, 1370330), (254, 960310), (260, 938149), (332, 734695), (356, 685165), (415, 587756), (445, 548132), (508, 480155), (635, 384124), (830, 293878), (890, 274066), (1079, 226060), (1157, 210820), (1270, 192062), (1651, 147740), (1660, 146939), (1780, 137033), (2158, 113030), (2314, 105410), (2540, 96031), (3302, 73870), (4316, 56515), (4628, 52705), (5395, 45212), (5785, 42164), (6604, 36935), (7387, 33020), (8255, 29548), (10541, 23140), (10790, 22606), (11303, 21580), (11570, 21082), (14774, 16510)]