814579780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{821}}^1$

素因数の和:1229

約数の個数: 96

約数和(自身を含む): 2065916160

約数和(自身を除く): 1251336380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 373, 380, 532, 665, 746, 821, 1330, 1492, 1642, 1865, 2611, 2660, 3284, 3730, 4105, 5222, 5747, 7087, 7460, 8210, 10444, 11494, 13055, 14174, 15599, 16420, 22988, 26110, 28348, 28735, 31198, 35435, 49609, 52220, 57470, 62396, 70870, 77995, 99218, 109193, 114940, 141740, 155990, 198436, 218386, 248045, 306233, 311980, 436772, 496090, 545965, 612466, 992180, 1091930, 1224932, 1531165, 2143631, 2183860, 3062330, 4287262, 5818427, 6124660, 8574524, 10718155, 11636854, 21436310, 23273708, 29092135, 40728989, 42872620, 58184270, 81457978, 116368540, 162915956, 203644945, 407289890, 814579780]

約数ペア:

[(1, 814579780), (2, 407289890), (4, 203644945), (5, 162915956), (7, 116368540), (10, 81457978), (14, 58184270), (19, 42872620), (20, 40728989), (28, 29092135), (35, 23273708), (38, 21436310), (70, 11636854), (76, 10718155), (95, 8574524), (133, 6124660), (140, 5818427), (190, 4287262), (266, 3062330), (373, 2183860), (380, 2143631), (532, 1531165), (665, 1224932), (746, 1091930), (821, 992180), (1330, 612466), (1492, 545965), (1642, 496090), (1865, 436772), (2611, 311980), (2660, 306233), (3284, 248045), (3730, 218386), (4105, 198436), (5222, 155990), (5747, 141740), (7087, 114940), (7460, 109193), (8210, 99218), (10444, 77995), (11494, 70870), (13055, 62396), (14174, 57470), (15599, 52220), (16420, 49609), (22988, 35435), (26110, 31198), (28348, 28735)]