199919880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5003}}^1$

素因数の和:5060

約数の個数: 128

約数和(自身を含む): 684547200

約数和(自身を除く): 484627320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 444, 540, 555, 666, 740, 888, 999, 1080, 1110, 1332, 1480, 1665, 1998, 2220, 2664, 3330, 3996, 4440, 4995, 5003, 6660, 7992, 9990, 10006, 13320, 15009, 19980, 20012, 25015, 30018, 39960, 40024, 45027, 50030, 60036, 75045, 90054, 100060, 120072, 135081, 150090, 180108, 185111, 200120, 225135, 270162, 300180, 360216, 370222, 450270, 540324, 555333, 600360, 675405, 740444, 900540, 925555, 1080648, 1110666, 1350810, 1480888, 1665999, 1801080, 1851110, 2221332, 2701620, 2776665, 3331998, 3702220, 4442664, 4997997, 5403240, 5553330, 6663996, 7404440, 8329995, 9995994, 11106660, 13327992, 16659990, 19991988, 22213320, 24989985, 33319980, 39983976, 49979970, 66639960, 99959940, 199919880]

約数ペア:

[(1, 199919880), (2, 99959940), (3, 66639960), (4, 49979970), (5, 39983976), (6, 33319980), (8, 24989985), (9, 22213320), (10, 19991988), (12, 16659990), (15, 13327992), (18, 11106660), (20, 9995994), (24, 8329995), (27, 7404440), (30, 6663996), (36, 5553330), (37, 5403240), (40, 4997997), (45, 4442664), (54, 3702220), (60, 3331998), (72, 2776665), (74, 2701620), (90, 2221332), (108, 1851110), (111, 1801080), (120, 1665999), (135, 1480888), (148, 1350810), (180, 1110666), (185, 1080648), (216, 925555), (222, 900540), (270, 740444), (296, 675405), (333, 600360), (360, 555333), (370, 540324), (444, 450270), (540, 370222), (555, 360216), (666, 300180), (740, 270162), (888, 225135), (999, 200120), (1080, 185111), (1110, 180108), (1332, 150090), (1480, 135081), (1665, 120072), (1998, 100060), (2220, 90054), (2664, 75045), (3330, 60036), (3996, 50030), (4440, 45027), (4995, 40024), (5003, 39960), (6660, 30018), (7992, 25015), (9990, 20012), (10006, 19980), (13320, 15009)]