492701860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{21859}}^1$

素因数の和:21905

約数の個数: 72

約数和(自身を含む): 1255988160

約数和(自身を除く): 763286300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11270, 21859, 22540, 43718, 87436, 109295, 153013, 218590, 306026, 437180, 502757, 612052, 765065, 1005514, 1071091, 1530130, 2011028, 2142182, 2513785, 3060260, 3519299, 4284364, 5027570, 5355455, 7038598, 10055140, 10710910, 14077196, 17596495, 21421820, 24635093, 35192990, 49270186, 70385980, 98540372, 123175465, 246350930, 492701860]

約数ペア:

[(1, 492701860), (2, 246350930), (4, 123175465), (5, 98540372), (7, 70385980), (10, 49270186), (14, 35192990), (20, 24635093), (23, 21421820), (28, 17596495), (35, 14077196), (46, 10710910), (49, 10055140), (70, 7038598), (92, 5355455), (98, 5027570), (115, 4284364), (140, 3519299), (161, 3060260), (196, 2513785), (230, 2142182), (245, 2011028), (322, 1530130), (460, 1071091), (490, 1005514), (644, 765065), (805, 612052), (980, 502757), (1127, 437180), (1610, 306026), (2254, 218590), (3220, 153013), (4508, 109295), (5635, 87436), (11270, 43718), (21859, 22540)]