39990000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 200

約数和(自身を含む): 136356352

約数和(自身を除く): 96366352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 40, 43, 48, 50, 60, 62, 75, 80, 86, 93, 100, 120, 124, 125, 129, 150, 155, 172, 186, 200, 215, 240, 248, 250, 258, 300, 310, 344, 372, 375, 400, 430, 465, 496, 500, 516, 600, 620, 625, 645, 688, 744, 750, 775, 860, 930, 1000, 1032, 1075, 1200, 1240, 1250, 1290, 1333, 1488, 1500, 1550, 1720, 1860, 1875, 2000, 2064, 2150, 2325, 2480, 2500, 2580, 2666, 3000, 3100, 3225, 3440, 3720, 3750, 3875, 3999, 4300, 4650, 5000, 5160, 5332, 5375, 6000, 6200, 6450, 6665, 7440, 7500, 7750, 7998, 8600, 9300, 10000, 10320, 10664, 10750, 11625, 12400, 12900, 13330, 15000, 15500, 15996, 16125, 17200, 18600, 19375, 19995, 21328, 21500, 23250, 25800, 26660, 26875, 30000, 31000, 31992, 32250, 33325, 37200, 38750, 39990, 43000, 46500, 51600, 53320, 53750, 58125, 62000, 63984, 64500, 66650, 77500, 79980, 80625, 86000, 93000, 99975, 106640, 107500, 116250, 129000, 133300, 155000, 159960, 161250, 166625, 186000, 199950, 215000, 232500, 258000, 266600, 310000, 319920, 322500, 333250, 399900, 430000, 465000, 499875, 533200, 645000, 666500, 799800, 833125, 930000, 999750, 1290000, 1333000, 1599600, 1666250, 1999500, 2499375, 2666000, 3332500, 3999000, 4998750, 6665000, 7998000, 9997500, 13330000, 19995000, 39990000]

約数ペア:

[(1, 39990000), (2, 19995000), (3, 13330000), (4, 9997500), (5, 7998000), (6, 6665000), (8, 4998750), (10, 3999000), (12, 3332500), (15, 2666000), (16, 2499375), (20, 1999500), (24, 1666250), (25, 1599600), (30, 1333000), (31, 1290000), (40, 999750), (43, 930000), (48, 833125), (50, 799800), (60, 666500), (62, 645000), (75, 533200), (80, 499875), (86, 465000), (93, 430000), (100, 399900), (120, 333250), (124, 322500), (125, 319920), (129, 310000), (150, 266600), (155, 258000), (172, 232500), (186, 215000), (200, 199950), (215, 186000), (240, 166625), (248, 161250), (250, 159960), (258, 155000), (300, 133300), (310, 129000), (344, 116250), (372, 107500), (375, 106640), (400, 99975), (430, 93000), (465, 86000), (496, 80625), (500, 79980), (516, 77500), (600, 66650), (620, 64500), (625, 63984), (645, 62000), (688, 58125), (744, 53750), (750, 53320), (775, 51600), (860, 46500), (930, 43000), (1000, 39990), (1032, 38750), (1075, 37200), (1200, 33325), (1240, 32250), (1250, 31992), (1290, 31000), (1333, 30000), (1488, 26875), (1500, 26660), (1550, 25800), (1720, 23250), (1860, 21500), (1875, 21328), (2000, 19995), (2064, 19375), (2150, 18600), (2325, 17200), (2480, 16125), (2500, 15996), (2580, 15500), (2666, 15000), (3000, 13330), (3100, 12900), (3225, 12400), (3440, 11625), (3720, 10750), (3750, 10664), (3875, 10320), (3999, 10000), (4300, 9300), (4650, 8600), (5000, 7998), (5160, 7750), (5332, 7500), (5375, 7440), (6000, 6665), (6200, 6450)]