405991010

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 784602720

約数和(自身を除く): 378611710

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 145, 157, 185, 241, 290, 314, 370, 482, 785, 1073, 1205, 1570, 2146, 2410, 4553, 5365, 5809, 6989, 8917, 9106, 10730, 11618, 13978, 17834, 22765, 29045, 34945, 37837, 44585, 45530, 58090, 69890, 75674, 89170, 168461, 189185, 258593, 336922, 378370, 517186, 842305, 1097273, 1292965, 1399969, 1684610, 2194546, 2585930, 2799938, 5486365, 6999845, 10972730, 13999690, 40599101, 81198202, 202995505, 405991010]

約数ペア:

[(1, 405991010), (2, 202995505), (5, 81198202), (10, 40599101), (29, 13999690), (37, 10972730), (58, 6999845), (74, 5486365), (145, 2799938), (157, 2585930), (185, 2194546), (241, 1684610), (290, 1399969), (314, 1292965), (370, 1097273), (482, 842305), (785, 517186), (1073, 378370), (1205, 336922), (1570, 258593), (2146, 189185), (2410, 168461), (4553, 89170), (5365, 75674), (5809, 69890), (6989, 58090), (8917, 45530), (9106, 44585), (10730, 37837), (11618, 34945), (13978, 29045), (17834, 22765)]