1907858680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{941}}^1$

素因数の和:1529

約数の個数: 128

約数和(自身を含む): 5298410880

約数和(自身を除く): 3390552200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 557, 728, 910, 941, 1114, 1820, 1882, 2228, 2785, 3640, 3764, 3899, 4456, 4705, 5570, 6587, 7241, 7528, 7798, 9410, 11140, 12233, 13174, 14482, 15596, 18820, 19495, 22280, 24466, 26348, 28964, 31192, 32935, 36205, 37640, 38990, 48932, 50687, 52696, 57928, 61165, 65870, 72410, 77980, 85631, 97864, 101374, 122330, 131740, 144820, 155960, 171262, 202748, 244660, 253435, 263480, 289640, 342524, 405496, 428155, 489320, 506870, 524137, 685048, 856310, 1013740, 1048274, 1712620, 2027480, 2096548, 2620685, 3425240, 3668959, 4193096, 5241370, 6813781, 7337918, 10482740, 13627562, 14675836, 18344795, 20965480, 27255124, 29351672, 34068905, 36689590, 47696467, 54510248, 68137810, 73379180, 95392934, 136275620, 146758360, 190785868, 238482335, 272551240, 381571736, 476964670, 953929340, 1907858680]

約数ペア:

[(1, 1907858680), (2, 953929340), (4, 476964670), (5, 381571736), (7, 272551240), (8, 238482335), (10, 190785868), (13, 146758360), (14, 136275620), (20, 95392934), (26, 73379180), (28, 68137810), (35, 54510248), (40, 47696467), (52, 36689590), (56, 34068905), (65, 29351672), (70, 27255124), (91, 20965480), (104, 18344795), (130, 14675836), (140, 13627562), (182, 10482740), (260, 7337918), (280, 6813781), (364, 5241370), (455, 4193096), (520, 3668959), (557, 3425240), (728, 2620685), (910, 2096548), (941, 2027480), (1114, 1712620), (1820, 1048274), (1882, 1013740), (2228, 856310), (2785, 685048), (3640, 524137), (3764, 506870), (3899, 489320), (4456, 428155), (4705, 405496), (5570, 342524), (6587, 289640), (7241, 263480), (7528, 253435), (7798, 244660), (9410, 202748), (11140, 171262), (12233, 155960), (13174, 144820), (14482, 131740), (15596, 122330), (18820, 101374), (19495, 97864), (22280, 85631), (24466, 77980), (26348, 72410), (28964, 65870), (31192, 61165), (32935, 57928), (36205, 52696), (37640, 50687), (38990, 48932)]