254421860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:714

約数の個数: 144

約数和(自身を含む): 701422848

約数和(自身を除く): 447000988

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 121, 140, 154, 161, 220, 230, 242, 253, 308, 322, 385, 460, 484, 506, 605, 644, 653, 770, 805, 847, 1012, 1210, 1265, 1306, 1540, 1610, 1694, 1771, 2420, 2530, 2612, 2783, 3220, 3265, 3388, 3542, 4235, 4571, 5060, 5566, 6530, 7084, 7183, 8470, 8855, 9142, 11132, 13060, 13915, 14366, 15019, 16940, 17710, 18284, 19481, 22855, 27830, 28732, 30038, 35420, 35915, 38962, 45710, 50281, 55660, 60076, 71830, 75095, 77924, 79013, 91420, 97405, 100562, 105133, 143660, 150190, 158026, 165209, 194810, 201124, 210266, 251405, 300380, 316052, 330418, 389620, 395065, 420532, 502810, 525665, 553091, 660836, 790130, 826045, 1005620, 1051330, 1106182, 1156463, 1580260, 1652090, 1817299, 2102660, 2212364, 2312926, 2765455, 3304180, 3634598, 4625852, 5530910, 5782315, 7269196, 9086495, 11061820, 11564630, 12721093, 18172990, 23129260, 25442186, 36345980, 50884372, 63605465, 127210930, 254421860]

約数ペア:

[(1, 254421860), (2, 127210930), (4, 63605465), (5, 50884372), (7, 36345980), (10, 25442186), (11, 23129260), (14, 18172990), (20, 12721093), (22, 11564630), (23, 11061820), (28, 9086495), (35, 7269196), (44, 5782315), (46, 5530910), (55, 4625852), (70, 3634598), (77, 3304180), (92, 2765455), (110, 2312926), (115, 2212364), (121, 2102660), (140, 1817299), (154, 1652090), (161, 1580260), (220, 1156463), (230, 1106182), (242, 1051330), (253, 1005620), (308, 826045), (322, 790130), (385, 660836), (460, 553091), (484, 525665), (506, 502810), (605, 420532), (644, 395065), (653, 389620), (770, 330418), (805, 316052), (847, 300380), (1012, 251405), (1210, 210266), (1265, 201124), (1306, 194810), (1540, 165209), (1610, 158026), (1694, 150190), (1771, 143660), (2420, 105133), (2530, 100562), (2612, 97405), (2783, 91420), (3220, 79013), (3265, 77924), (3388, 75095), (3542, 71830), (4235, 60076), (4571, 55660), (5060, 50281), (5566, 45710), (6530, 38962), (7084, 35915), (7183, 35420), (8470, 30038), (8855, 28732), (9142, 27830), (11132, 22855), (13060, 19481), (13915, 18284), (14366, 17710), (15019, 16940)]