71723644820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1\times {\mathrm{3659}}^1$

素因数の和:4725

約数の個数: 96

約数和(自身を含む): 161029693440

約数和(自身を除く): 89306048620

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 991, 1978, 1982, 3659, 3956, 3964, 4945, 4955, 7318, 9890, 9910, 14636, 18295, 19780, 19820, 22793, 36590, 42613, 45586, 73180, 84157, 85226, 91172, 113965, 157337, 168314, 170452, 213065, 227930, 314674, 336628, 420785, 426130, 455860, 629348, 786685, 841570, 852260, 980099, 1573370, 1683140, 1960198, 3146740, 3618751, 3626069, 3920396, 4900495, 7237502, 7252138, 9800990, 14475004, 14504276, 18093755, 18130345, 19601980, 36187510, 36260690, 72375020, 72521380, 83399587, 155920967, 166799174, 311841934, 333598348, 416997935, 623683868, 779604835, 833995870, 1559209670, 1667991740, 3118419340, 3586182241, 7172364482, 14344728964, 17930911205, 35861822410, 71723644820]

約数ペア:

[(1, 71723644820), (2, 35861822410), (4, 17930911205), (5, 14344728964), (10, 7172364482), (20, 3586182241), (23, 3118419340), (43, 1667991740), (46, 1559209670), (86, 833995870), (92, 779604835), (115, 623683868), (172, 416997935), (215, 333598348), (230, 311841934), (430, 166799174), (460, 155920967), (860, 83399587), (989, 72521380), (991, 72375020), (1978, 36260690), (1982, 36187510), (3659, 19601980), (3956, 18130345), (3964, 18093755), (4945, 14504276), (4955, 14475004), (7318, 9800990), (9890, 7252138), (9910, 7237502), (14636, 4900495), (18295, 3920396), (19780, 3626069), (19820, 3618751), (22793, 3146740), (36590, 1960198), (42613, 1683140), (45586, 1573370), (73180, 980099), (84157, 852260), (85226, 841570), (91172, 786685), (113965, 629348), (157337, 455860), (168314, 426130), (170452, 420785), (213065, 336628), (227930, 314674)]