20194506400

素因数分解:

$2^5\times 5^2\times {\mathrm{149}}^1\times {\mathrm{191}}^1\times {\mathrm{887}}^1$

素因数の和:1247

約数の個数: 144

約数和(自身を含む): 49946803200

約数和(自身を除く): 29752296800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 149, 160, 191, 200, 298, 382, 400, 596, 745, 764, 800, 887, 955, 1192, 1490, 1528, 1774, 1910, 2384, 2980, 3056, 3548, 3725, 3820, 4435, 4768, 4775, 5960, 6112, 7096, 7450, 7640, 8870, 9550, 11920, 14192, 14900, 15280, 17740, 19100, 22175, 23840, 28384, 28459, 29800, 30560, 35480, 38200, 44350, 56918, 59600, 70960, 76400, 88700, 113836, 119200, 132163, 141920, 142295, 152800, 169417, 177400, 227672, 264326, 284590, 338834, 354800, 455344, 528652, 569180, 660815, 677668, 709600, 711475, 847085, 910688, 1057304, 1138360, 1321630, 1355336, 1422950, 1694170, 2114608, 2276720, 2643260, 2710672, 2845900, 3304075, 3388340, 4229216, 4235425, 4553440, 5286520, 5421344, 5691800, 6608150, 6776680, 8470850, 10573040, 11383600, 13216300, 13553360, 16941700, 21146080, 22767200, 25243133, 26432600, 27106720, 33883400, 50486266, 52865200, 67766800, 100972532, 105730400, 126215665, 135533600, 201945064, 252431330, 403890128, 504862660, 631078325, 807780256, 1009725320, 1262156650, 2019450640, 2524313300, 4038901280, 5048626600, 10097253200, 20194506400]

約数ペア:

[(1, 20194506400), (2, 10097253200), (4, 5048626600), (5, 4038901280), (8, 2524313300), (10, 2019450640), (16, 1262156650), (20, 1009725320), (25, 807780256), (32, 631078325), (40, 504862660), (50, 403890128), (80, 252431330), (100, 201945064), (149, 135533600), (160, 126215665), (191, 105730400), (200, 100972532), (298, 67766800), (382, 52865200), (400, 50486266), (596, 33883400), (745, 27106720), (764, 26432600), (800, 25243133), (887, 22767200), (955, 21146080), (1192, 16941700), (1490, 13553360), (1528, 13216300), (1774, 11383600), (1910, 10573040), (2384, 8470850), (2980, 6776680), (3056, 6608150), (3548, 5691800), (3725, 5421344), (3820, 5286520), (4435, 4553440), (4768, 4235425), (4775, 4229216), (5960, 3388340), (6112, 3304075), (7096, 2845900), (7450, 2710672), (7640, 2643260), (8870, 2276720), (9550, 2114608), (11920, 1694170), (14192, 1422950), (14900, 1355336), (15280, 1321630), (17740, 1138360), (19100, 1057304), (22175, 910688), (23840, 847085), (28384, 711475), (28459, 709600), (29800, 677668), (30560, 660815), (35480, 569180), (38200, 528652), (44350, 455344), (56918, 354800), (59600, 338834), (70960, 284590), (76400, 264326), (88700, 227672), (113836, 177400), (119200, 169417), (132163, 152800), (141920, 142295)]