204557440

素因数分解:

$2^7\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2333}}^1$

素因数の和:2489

約数の個数: 64

約数和(自身を含む): 492800760

約数和(自身を除く): 288243320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 274, 320, 548, 640, 685, 1096, 1370, 2192, 2333, 2740, 4384, 4666, 5480, 8768, 9332, 10960, 11665, 17536, 18664, 21920, 23330, 37328, 43840, 46660, 74656, 87680, 93320, 149312, 186640, 298624, 319621, 373280, 639242, 746560, 1278484, 1493120, 1598105, 2556968, 3196210, 5113936, 6392420, 10227872, 12784840, 20455744, 25569680, 40911488, 51139360, 102278720, 204557440]

約数ペア:

[(1, 204557440), (2, 102278720), (4, 51139360), (5, 40911488), (8, 25569680), (10, 20455744), (16, 12784840), (20, 10227872), (32, 6392420), (40, 5113936), (64, 3196210), (80, 2556968), (128, 1598105), (137, 1493120), (160, 1278484), (274, 746560), (320, 639242), (548, 373280), (640, 319621), (685, 298624), (1096, 186640), (1370, 149312), (2192, 93320), (2333, 87680), (2740, 74656), (4384, 46660), (4666, 43840), (5480, 37328), (8768, 23330), (9332, 21920), (10960, 18664), (11665, 17536)]