490774500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{191}}^1\times {\mathrm{571}}^1$

素因数の和:787

約数の個数: 144

約数和(自身を含む): 1559061504

約数和(自身を除く): 1068287004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 191, 225, 250, 300, 375, 382, 450, 500, 571, 573, 750, 764, 900, 955, 1125, 1142, 1146, 1500, 1713, 1719, 1910, 2250, 2284, 2292, 2855, 2865, 3426, 3438, 3820, 4500, 4775, 5139, 5710, 5730, 6852, 6876, 8565, 8595, 9550, 10278, 11420, 11460, 14275, 14325, 17130, 17190, 19100, 20556, 23875, 25695, 28550, 28650, 34260, 34380, 42825, 42975, 47750, 51390, 57100, 57300, 71375, 71625, 85650, 85950, 95500, 102780, 109061, 128475, 142750, 143250, 171300, 171900, 214125, 214875, 218122, 256950, 285500, 286500, 327183, 428250, 429750, 436244, 513900, 545305, 642375, 654366, 856500, 859500, 981549, 1090610, 1284750, 1308732, 1635915, 1963098, 2181220, 2569500, 2726525, 3271830, 3926196, 4907745, 5453050, 6543660, 8179575, 9815490, 10906100, 13632625, 16359150, 19630980, 24538725, 27265250, 32718300, 40897875, 49077450, 54530500, 81795750, 98154900, 122693625, 163591500, 245387250, 490774500]

約数ペア:

[(1, 490774500), (2, 245387250), (3, 163591500), (4, 122693625), (5, 98154900), (6, 81795750), (9, 54530500), (10, 49077450), (12, 40897875), (15, 32718300), (18, 27265250), (20, 24538725), (25, 19630980), (30, 16359150), (36, 13632625), (45, 10906100), (50, 9815490), (60, 8179575), (75, 6543660), (90, 5453050), (100, 4907745), (125, 3926196), (150, 3271830), (180, 2726525), (191, 2569500), (225, 2181220), (250, 1963098), (300, 1635915), (375, 1308732), (382, 1284750), (450, 1090610), (500, 981549), (571, 859500), (573, 856500), (750, 654366), (764, 642375), (900, 545305), (955, 513900), (1125, 436244), (1142, 429750), (1146, 428250), (1500, 327183), (1713, 286500), (1719, 285500), (1910, 256950), (2250, 218122), (2284, 214875), (2292, 214125), (2855, 171900), (2865, 171300), (3426, 143250), (3438, 142750), (3820, 128475), (4500, 109061), (4775, 102780), (5139, 95500), (5710, 85950), (5730, 85650), (6852, 71625), (6876, 71375), (8565, 57300), (8595, 57100), (9550, 51390), (10278, 47750), (11420, 42975), (11460, 42825), (14275, 34380), (14325, 34260), (17130, 28650), (17190, 28550), (19100, 25695), (20556, 23875)]