90445500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 144

約数和(自身を含む): 289598400

約数和(自身を除く): 199152900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 101, 125, 150, 180, 199, 202, 225, 250, 300, 303, 375, 398, 404, 450, 500, 505, 597, 606, 750, 796, 900, 909, 995, 1010, 1125, 1194, 1212, 1500, 1515, 1791, 1818, 1990, 2020, 2250, 2388, 2525, 2985, 3030, 3582, 3636, 3980, 4500, 4545, 4975, 5050, 5970, 6060, 7164, 7575, 8955, 9090, 9950, 10100, 11940, 12625, 14925, 15150, 17910, 18180, 19900, 20099, 22725, 24875, 25250, 29850, 30300, 35820, 37875, 40198, 44775, 45450, 49750, 50500, 59700, 60297, 74625, 75750, 80396, 89550, 90900, 99500, 100495, 113625, 120594, 149250, 151500, 179100, 180891, 200990, 223875, 227250, 241188, 298500, 301485, 361782, 401980, 447750, 454500, 502475, 602970, 723564, 895500, 904455, 1004950, 1205940, 1507425, 1808910, 2009900, 2512375, 3014850, 3617820, 4522275, 5024750, 6029700, 7537125, 9044550, 10049500, 15074250, 18089100, 22611375, 30148500, 45222750, 90445500]

約数ペア:

[(1, 90445500), (2, 45222750), (3, 30148500), (4, 22611375), (5, 18089100), (6, 15074250), (9, 10049500), (10, 9044550), (12, 7537125), (15, 6029700), (18, 5024750), (20, 4522275), (25, 3617820), (30, 3014850), (36, 2512375), (45, 2009900), (50, 1808910), (60, 1507425), (75, 1205940), (90, 1004950), (100, 904455), (101, 895500), (125, 723564), (150, 602970), (180, 502475), (199, 454500), (202, 447750), (225, 401980), (250, 361782), (300, 301485), (303, 298500), (375, 241188), (398, 227250), (404, 223875), (450, 200990), (500, 180891), (505, 179100), (597, 151500), (606, 149250), (750, 120594), (796, 113625), (900, 100495), (909, 99500), (995, 90900), (1010, 89550), (1125, 80396), (1194, 75750), (1212, 74625), (1500, 60297), (1515, 59700), (1791, 50500), (1818, 49750), (1990, 45450), (2020, 44775), (2250, 40198), (2388, 37875), (2525, 35820), (2985, 30300), (3030, 29850), (3582, 25250), (3636, 24875), (3980, 22725), (4500, 20099), (4545, 19900), (4975, 18180), (5050, 17910), (5970, 15150), (6060, 14925), (7164, 12625), (7575, 11940), (8955, 10100), (9090, 9950)]