215042690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 423053280

約数和(自身を除く): 208010590

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 89, 122, 170, 178, 233, 305, 445, 466, 610, 890, 1037, 1165, 1513, 2074, 2330, 3026, 3961, 5185, 5429, 7565, 7922, 10370, 10858, 14213, 15130, 19805, 20737, 27145, 28426, 39610, 41474, 54290, 71065, 92293, 103685, 142130, 184586, 207370, 241621, 352529, 461465, 483242, 705058, 922930, 1208105, 1264957, 1762645, 2416210, 2529914, 3525290, 6324785, 12649570, 21504269, 43008538, 107521345, 215042690]

約数ペア:

[(1, 215042690), (2, 107521345), (5, 43008538), (10, 21504269), (17, 12649570), (34, 6324785), (61, 3525290), (85, 2529914), (89, 2416210), (122, 1762645), (170, 1264957), (178, 1208105), (233, 922930), (305, 705058), (445, 483242), (466, 461465), (610, 352529), (890, 241621), (1037, 207370), (1165, 184586), (1513, 142130), (2074, 103685), (2330, 92293), (3026, 71065), (3961, 54290), (5185, 41474), (5429, 39610), (7565, 28426), (7922, 27145), (10370, 20737), (10858, 19805), (14213, 15130)]