1900191020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{15583}}^1$

素因数の和:15679

約数の個数: 96

約数和(自身を含む): 4984885248

約数和(自身を除く): 3084694228

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 67, 70, 91, 130, 134, 140, 182, 260, 268, 335, 364, 455, 469, 670, 871, 910, 938, 1340, 1742, 1820, 1876, 2345, 3484, 4355, 4690, 6097, 8710, 9380, 12194, 15583, 17420, 24388, 30485, 31166, 60970, 62332, 77915, 109081, 121940, 155830, 202579, 218162, 311660, 405158, 436324, 545405, 810316, 1012895, 1044061, 1090810, 1418053, 2025790, 2088122, 2181620, 2836106, 4051580, 4176244, 5220305, 5672212, 7090265, 7308427, 10440610, 13572793, 14180530, 14616854, 20881220, 27145586, 28361060, 29233708, 36542135, 54291172, 67863965, 73084270, 95009551, 135727930, 146168540, 190019102, 271455860, 380038204, 475047755, 950095510, 1900191020]

約数ペア:

[(1, 1900191020), (2, 950095510), (4, 475047755), (5, 380038204), (7, 271455860), (10, 190019102), (13, 146168540), (14, 135727930), (20, 95009551), (26, 73084270), (28, 67863965), (35, 54291172), (52, 36542135), (65, 29233708), (67, 28361060), (70, 27145586), (91, 20881220), (130, 14616854), (134, 14180530), (140, 13572793), (182, 10440610), (260, 7308427), (268, 7090265), (335, 5672212), (364, 5220305), (455, 4176244), (469, 4051580), (670, 2836106), (871, 2181620), (910, 2088122), (938, 2025790), (1340, 1418053), (1742, 1090810), (1820, 1044061), (1876, 1012895), (2345, 810316), (3484, 545405), (4355, 436324), (4690, 405158), (6097, 311660), (8710, 218162), (9380, 202579), (12194, 155830), (15583, 121940), (17420, 109081), (24388, 77915), (30485, 62332), (31166, 60970)]