199809000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{149}}^2$

素因数の和:325

約数の個数: 144

約数和(自身を含む): 679917420

約数和(自身を除く): 480108420

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 149, 150, 180, 200, 225, 250, 298, 300, 360, 375, 447, 450, 500, 596, 600, 745, 750, 894, 900, 1000, 1125, 1192, 1341, 1490, 1500, 1788, 1800, 2235, 2250, 2682, 2980, 3000, 3576, 3725, 4470, 4500, 5364, 5960, 6705, 7450, 8940, 9000, 10728, 11175, 13410, 14900, 17880, 18625, 22201, 22350, 26820, 29800, 33525, 37250, 44402, 44700, 53640, 55875, 66603, 67050, 74500, 88804, 89400, 111005, 111750, 133206, 134100, 149000, 167625, 177608, 199809, 222010, 223500, 266412, 268200, 333015, 335250, 399618, 444020, 447000, 532824, 555025, 666030, 670500, 799236, 888040, 999045, 1110050, 1332060, 1341000, 1598472, 1665075, 1998090, 2220100, 2664120, 2775125, 3330150, 3996180, 4440200, 4995225, 5550250, 6660300, 7992360, 8325375, 9990450, 11100500, 13320600, 16650750, 19980900, 22201000, 24976125, 33301500, 39961800, 49952250, 66603000, 99904500, 199809000]

約数ペア:

[(1, 199809000), (2, 99904500), (3, 66603000), (4, 49952250), (5, 39961800), (6, 33301500), (8, 24976125), (9, 22201000), (10, 19980900), (12, 16650750), (15, 13320600), (18, 11100500), (20, 9990450), (24, 8325375), (25, 7992360), (30, 6660300), (36, 5550250), (40, 4995225), (45, 4440200), (50, 3996180), (60, 3330150), (72, 2775125), (75, 2664120), (90, 2220100), (100, 1998090), (120, 1665075), (125, 1598472), (149, 1341000), (150, 1332060), (180, 1110050), (200, 999045), (225, 888040), (250, 799236), (298, 670500), (300, 666030), (360, 555025), (375, 532824), (447, 447000), (450, 444020), (500, 399618), (596, 335250), (600, 333015), (745, 268200), (750, 266412), (894, 223500), (900, 222010), (1000, 199809), (1125, 177608), (1192, 167625), (1341, 149000), (1490, 134100), (1500, 133206), (1788, 111750), (1800, 111005), (2235, 89400), (2250, 88804), (2682, 74500), (2980, 67050), (3000, 66603), (3576, 55875), (3725, 53640), (4470, 44700), (4500, 44402), (5364, 37250), (5960, 33525), (6705, 29800), (7450, 26820), (8940, 22350), (9000, 22201), (10728, 18625), (11175, 17880), (13410, 14900)]