128410100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 348811008

約数和(自身を除く): 220400908

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 103, 130, 137, 140, 175, 182, 206, 260, 274, 325, 350, 364, 412, 455, 515, 548, 650, 685, 700, 721, 910, 959, 1030, 1300, 1339, 1370, 1442, 1781, 1820, 1918, 2060, 2275, 2575, 2678, 2740, 2884, 3425, 3562, 3605, 3836, 4550, 4795, 5150, 5356, 6695, 6850, 7124, 7210, 8905, 9100, 9373, 9590, 10300, 12467, 13390, 13700, 14111, 14420, 17810, 18025, 18746, 19180, 23975, 24934, 26780, 28222, 33475, 35620, 36050, 37492, 44525, 46865, 47950, 49868, 56444, 62335, 66950, 70555, 72100, 89050, 93730, 95900, 98777, 124670, 133900, 141110, 178100, 183443, 187460, 197554, 234325, 249340, 282220, 311675, 352775, 366886, 395108, 468650, 493885, 623350, 705550, 733772, 917215, 937300, 987770, 1246700, 1284101, 1411100, 1834430, 1975540, 2469425, 2568202, 3668860, 4586075, 4938850, 5136404, 6420505, 9172150, 9877700, 12841010, 18344300, 25682020, 32102525, 64205050, 128410100]

約数ペア:

[(1, 128410100), (2, 64205050), (4, 32102525), (5, 25682020), (7, 18344300), (10, 12841010), (13, 9877700), (14, 9172150), (20, 6420505), (25, 5136404), (26, 4938850), (28, 4586075), (35, 3668860), (50, 2568202), (52, 2469425), (65, 1975540), (70, 1834430), (91, 1411100), (100, 1284101), (103, 1246700), (130, 987770), (137, 937300), (140, 917215), (175, 733772), (182, 705550), (206, 623350), (260, 493885), (274, 468650), (325, 395108), (350, 366886), (364, 352775), (412, 311675), (455, 282220), (515, 249340), (548, 234325), (650, 197554), (685, 187460), (700, 183443), (721, 178100), (910, 141110), (959, 133900), (1030, 124670), (1300, 98777), (1339, 95900), (1370, 93730), (1442, 89050), (1781, 72100), (1820, 70555), (1918, 66950), (2060, 62335), (2275, 56444), (2575, 49868), (2678, 47950), (2740, 46865), (2884, 44525), (3425, 37492), (3562, 36050), (3605, 35620), (3836, 33475), (4550, 28222), (4795, 26780), (5150, 24934), (5356, 23975), (6695, 19180), (6850, 18746), (7124, 18025), (7210, 17810), (8905, 14420), (9100, 14111), (9373, 13700), (9590, 13390), (10300, 12467)]