713217520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{919}}^1$

素因数の和:1130

約数の個数: 80

約数和(自身を含む): 1694088000

約数和(自身を除く): 980870480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 109, 178, 218, 356, 436, 445, 545, 712, 872, 890, 919, 1090, 1424, 1744, 1780, 1838, 2180, 3560, 3676, 4360, 4595, 7120, 7352, 8720, 9190, 9701, 14704, 18380, 19402, 36760, 38804, 48505, 73520, 77608, 81791, 97010, 100171, 155216, 163582, 194020, 200342, 327164, 388040, 400684, 408955, 500855, 654328, 776080, 801368, 817910, 1001710, 1308656, 1602736, 1635820, 2003420, 3271640, 4006840, 6543280, 8013680, 8915219, 17830438, 35660876, 44576095, 71321752, 89152190, 142643504, 178304380, 356608760, 713217520]

約数ペア:

[(1, 713217520), (2, 356608760), (4, 178304380), (5, 142643504), (8, 89152190), (10, 71321752), (16, 44576095), (20, 35660876), (40, 17830438), (80, 8915219), (89, 8013680), (109, 6543280), (178, 4006840), (218, 3271640), (356, 2003420), (436, 1635820), (445, 1602736), (545, 1308656), (712, 1001710), (872, 817910), (890, 801368), (919, 776080), (1090, 654328), (1424, 500855), (1744, 408955), (1780, 400684), (1838, 388040), (2180, 327164), (3560, 200342), (3676, 194020), (4360, 163582), (4595, 155216), (7120, 100171), (7352, 97010), (8720, 81791), (9190, 77608), (9701, 73520), (14704, 48505), (18380, 38804), (19402, 36760)]