83668400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 215648400

約数和(自身を除く): 131980000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 101, 109, 152, 190, 200, 202, 218, 304, 380, 400, 404, 436, 475, 505, 545, 760, 808, 872, 950, 1010, 1090, 1520, 1616, 1744, 1900, 1919, 2020, 2071, 2180, 2525, 2725, 3800, 3838, 4040, 4142, 4360, 5050, 5450, 7600, 7676, 8080, 8284, 8720, 9595, 10100, 10355, 10900, 11009, 15352, 16568, 19190, 20200, 20710, 21800, 22018, 30704, 33136, 38380, 40400, 41420, 43600, 44036, 47975, 51775, 55045, 76760, 82840, 88072, 95950, 103550, 110090, 153520, 165680, 176144, 191900, 207100, 209171, 220180, 275225, 383800, 414200, 418342, 440360, 550450, 767600, 828400, 836684, 880720, 1045855, 1100900, 1673368, 2091710, 2201800, 3346736, 4183420, 4403600, 5229275, 8366840, 10458550, 16733680, 20917100, 41834200, 83668400]

約数ペア:

[(1, 83668400), (2, 41834200), (4, 20917100), (5, 16733680), (8, 10458550), (10, 8366840), (16, 5229275), (19, 4403600), (20, 4183420), (25, 3346736), (38, 2201800), (40, 2091710), (50, 1673368), (76, 1100900), (80, 1045855), (95, 880720), (100, 836684), (101, 828400), (109, 767600), (152, 550450), (190, 440360), (200, 418342), (202, 414200), (218, 383800), (304, 275225), (380, 220180), (400, 209171), (404, 207100), (436, 191900), (475, 176144), (505, 165680), (545, 153520), (760, 110090), (808, 103550), (872, 95950), (950, 88072), (1010, 82840), (1090, 76760), (1520, 55045), (1616, 51775), (1744, 47975), (1900, 44036), (1919, 43600), (2020, 41420), (2071, 40400), (2180, 38380), (2525, 33136), (2725, 30704), (3800, 22018), (3838, 21800), (4040, 20710), (4142, 20200), (4360, 19190), (5050, 16568), (5450, 15352), (7600, 11009), (7676, 10900), (8080, 10355), (8284, 10100), (8720, 9595)]