2211221320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23159}}^1$

素因数の和:23219

約数の個数: 128

約数和(自身を含む): 6403276800

約数和(自身を除く): 4192055480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 868, 1085, 1240, 1364, 1540, 1705, 1736, 2170, 2387, 2728, 3080, 3410, 4340, 4774, 6820, 8680, 9548, 11935, 13640, 19096, 23159, 23870, 46318, 47740, 92636, 95480, 115795, 162113, 185272, 231590, 254749, 324226, 463180, 509498, 648452, 717929, 810565, 926360, 1018996, 1273745, 1296904, 1435858, 1621130, 1783243, 2037992, 2547490, 2871716, 3242260, 3566486, 3589645, 5025503, 5094980, 5743432, 6484520, 7132972, 7179290, 7897219, 8916215, 10051006, 10189960, 14265944, 14358580, 15794438, 17832430, 20102012, 25127515, 28717160, 31588876, 35664860, 39486095, 40204024, 50255030, 55280533, 63177752, 71329720, 78972190, 100510060, 110561066, 157944380, 201020120, 221122132, 276402665, 315888760, 442244264, 552805330, 1105610660, 2211221320]

約数ペア:

[(1, 2211221320), (2, 1105610660), (4, 552805330), (5, 442244264), (7, 315888760), (8, 276402665), (10, 221122132), (11, 201020120), (14, 157944380), (20, 110561066), (22, 100510060), (28, 78972190), (31, 71329720), (35, 63177752), (40, 55280533), (44, 50255030), (55, 40204024), (56, 39486095), (62, 35664860), (70, 31588876), (77, 28717160), (88, 25127515), (110, 20102012), (124, 17832430), (140, 15794438), (154, 14358580), (155, 14265944), (217, 10189960), (220, 10051006), (248, 8916215), (280, 7897219), (308, 7179290), (310, 7132972), (341, 6484520), (385, 5743432), (434, 5094980), (440, 5025503), (616, 3589645), (620, 3566486), (682, 3242260), (770, 2871716), (868, 2547490), (1085, 2037992), (1240, 1783243), (1364, 1621130), (1540, 1435858), (1705, 1296904), (1736, 1273745), (2170, 1018996), (2387, 926360), (2728, 810565), (3080, 717929), (3410, 648452), (4340, 509498), (4774, 463180), (6820, 324226), (8680, 254749), (9548, 231590), (11935, 185272), (13640, 162113), (19096, 115795), (23159, 95480), (23870, 92636), (46318, 47740)]